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diff --git a/contexts/data/lib/closure-library/closure/goog/ui/tablesorter.js b/contexts/data/lib/closure-library/closure/goog/ui/tablesorter.js
deleted file mode 100644
index 67b82a5..0000000
--- a/contexts/data/lib/closure-library/closure/goog/ui/tablesorter.js
+++ /dev/null
@@ -1,326 +0,0 @@
-// Copyright 2008 The Closure Library Authors. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS-IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-/**
- * @fileoverview A table sorting decorator.
- *
- * @author robbyw@google.com (Robby Walker)
- * @see ../demos/tablesorter.html
- */
-
-goog.provide('goog.ui.TableSorter');
-goog.provide('goog.ui.TableSorter.EventType');
-
-goog.require('goog.array');
-goog.require('goog.dom');
-goog.require('goog.dom.TagName');
-goog.require('goog.dom.classes');
-goog.require('goog.events');
-goog.require('goog.events.EventType');
-goog.require('goog.functions');
-goog.require('goog.ui.Component');
-
-
-
-/**
- * A table sorter allows for sorting of a table by column.  This component can
- * be used to decorate an already existing TABLE element with sorting
- * features.
- *
- * The TABLE should use a THEAD containing TH elements for the table column
- * headers.
- *
- * @param {goog.dom.DomHelper=} opt_domHelper Optional DOM helper, used for
- *     document interaction.
- * @constructor
- * @extends {goog.ui.Component}
- */
-goog.ui.TableSorter = function(opt_domHelper) {
-  goog.ui.Component.call(this, opt_domHelper);
-
-  /**
-   * The current sort column of the table, or -1 if none.
-   * @type {number}
-   * @private
-   */
-  this.column_ = -1;
-
-  /**
-   * Whether the last sort was in reverse.
-   * @type {boolean}
-   * @private
-   */
-  this.reversed_ = false;
-
-  /**
-   * The default sorting function.
-   * @type {function(*, *) : number}
-   * @private
-   */
-  this.defaultSortFunction_ = goog.ui.TableSorter.numericSort;
-
-  /**
-   * Array of custom sorting functions per colun.
-   * @type {Array.<function(*, *) : number>}
-   * @private
-   */
-  this.sortFunctions_ = [];
-};
-goog.inherits(goog.ui.TableSorter, goog.ui.Component);
-
-
-/**
- * Row number (in <thead>) to use for sorting.
- * @type {number}
- * @private
- */
-goog.ui.TableSorter.prototype.sortableHeaderRowIndex_ = 0;
-
-
-/**
- * Sets the row index (in <thead>) to be used for sorting.
- * By default, the first row (index 0) is used.
- * Must be called before decorate() is called.
- * @param {number} index The row index.
- */
-goog.ui.TableSorter.prototype.setSortableHeaderRowIndex = function(index) {
-  if (this.isInDocument()) {
-    throw Error(goog.ui.Component.Error.ALREADY_RENDERED);
-  }
-  this.sortableHeaderRowIndex_ = index;
-};
-
-
-/**
- * Table sorter events.
- * @enum {string}
- */
-goog.ui.TableSorter.EventType = {
-  BEFORESORT: 'beforesort',
-  SORT: 'sort'
-};
-
-
-/** @override */
-goog.ui.TableSorter.prototype.canDecorate = function(element) {
-  return element.tagName == goog.dom.TagName.TABLE;
-};
-
-
-/** @override */
-goog.ui.TableSorter.prototype.enterDocument = function() {
-  goog.ui.TableSorter.superClass_.enterDocument.call(this);
-
-  var table = this.getElement();
-  var headerRow = table.tHead.rows[this.sortableHeaderRowIndex_];
-
-  this.getHandler().listen(headerRow, goog.events.EventType.CLICK, this.sort_);
-};
-
-
-/**
- * @return {number} The current sort column of the table, or -1 if none.
- */
-goog.ui.TableSorter.prototype.getSortColumn = function() {
-  return this.column_;
-};
-
-
-/**
- * @return {boolean} Whether the last sort was in reverse.
- */
-goog.ui.TableSorter.prototype.isSortReversed = function() {
-  return this.reversed_;
-};
-
-
-/**
- * @return {function(*, *) : number} The default sort function to be used by
- *     all columns.
- */
-goog.ui.TableSorter.prototype.getDefaultSortFunction = function() {
-  return this.defaultSortFunction_;
-};
-
-
-/**
- * Sets the default sort function to be used by all columns.  If not set
- * explicitly, this defaults to numeric sorting.
- * @param {function(*, *) : number} sortFunction The new default sort function.
- */
-goog.ui.TableSorter.prototype.setDefaultSortFunction = function(sortFunction) {
-  this.defaultSortFunction_ = sortFunction;
-};
-
-
-/**
- * Gets the sort function to be used by the given column.  Returns the default
- * sort function if no sort function is explicitly set for this column.
- * @param {number} column The column index.
- * @return {function(*, *) : number} The sort function used by the column.
- */
-goog.ui.TableSorter.prototype.getSortFunction = function(column) {
-  return this.sortFunctions_[column] || this.defaultSortFunction_;
-};
-
-
-/**
- * Set the sort function for the given column, overriding the default sort
- * function.
- * @param {number} column The column index.
- * @param {function(*, *) : number} sortFunction The new sort function.
- */
-goog.ui.TableSorter.prototype.setSortFunction = function(column, sortFunction) {
-  this.sortFunctions_[column] = sortFunction;
-};
-
-
-/**
- * Sort the table contents by the values in the given column.
- * @param {goog.events.BrowserEvent} e The click event.
- * @private
- */
-goog.ui.TableSorter.prototype.sort_ = function(e) {
-  // Determine what column was clicked.
-  // TODO(robbyw): If this table cell contains another table, this could break.
-  var target = /** @type {Node} */ (e.target);
-  var th = goog.dom.getAncestorByTagNameAndClass(target,
-      goog.dom.TagName.TH);
-  var col = th.cellIndex;
-
-  // If the user clicks on the same column, sort it in reverse of what it is
-  // now.  Otherwise, sort forward.
-  var reverse = col == this.column_ ? !this.reversed_ : false;
-
-  // Perform the sort.
-  if (this.dispatchEvent(goog.ui.TableSorter.EventType.BEFORESORT)) {
-    if (this.sort(col, reverse)) {
-      this.dispatchEvent(goog.ui.TableSorter.EventType.SORT);
-    }
-  }
-};
-
-
-/**
- * Sort the table contents by the values in the given column.
- * @param {number} column The column to sort by.
- * @param {boolean=} opt_reverse Whether to sort in reverse.
- * @return {boolean} Whether the sort was executed.
- */
-goog.ui.TableSorter.prototype.sort = function(column, opt_reverse) {
-  var sortFunction = this.getSortFunction(column);
-  if (sortFunction === goog.ui.TableSorter.noSort) {
-    return false;
-  }
-
-  // Get some useful DOM nodes.
-  var table = this.getElement();
-  var tBody = table.tBodies[0];
-  var rows = tBody.rows;
-  var headers = table.tHead.rows[this.sortableHeaderRowIndex_].cells;
-
-  // Remove old header classes.
-  if (this.column_ >= 0) {
-    var oldHeader = headers[this.column_];
-    goog.dom.classes.remove(oldHeader, this.reversed_ ?
-        goog.getCssName('goog-tablesorter-sorted-reverse') :
-        goog.getCssName('goog-tablesorter-sorted'));
-  }
-
-  // If the user clicks on the same column, sort it in reverse of what it is
-  // now.  Otherwise, sort forward.
-  this.reversed_ = !!opt_reverse;
-
-  // Get some useful DOM nodes.
-  var header = headers[column];
-
-  // Collect all the rows in to an array.
-  var values = [];
-  for (var i = 0, len = rows.length; i < len; i++) {
-    var row = rows[i];
-    var value = goog.dom.getTextContent(row.cells[column]);
-    values.push([value, row]);
-  }
-
-  // Sort the array.
-  var multiplier = this.reversed_ ? -1 : 1;
-  goog.array.stableSort(values,
-                        function(a, b) {
-                          return sortFunction(a[0], b[0]) * multiplier;
-                        });
-
-  // Remove the tbody temporarily since this speeds up the sort on some
-  // browsers.
-  table.removeChild(tBody);
-
-  // Sort the rows, using the resulting array.
-  for (i = 0; i < len; i++) {
-    tBody.appendChild(values[i][1]);
-  }
-
-  // Reinstate the tbody.
-  table.insertBefore(tBody, table.tBodies[0] || null);
-
-  // Mark this as the last sorted column.
-  this.column_ = column;
-
-  // Update the header class.
-  goog.dom.classes.add(header, this.reversed_ ?
-      goog.getCssName('goog-tablesorter-sorted-reverse') :
-      goog.getCssName('goog-tablesorter-sorted'));
-
-  return true;
-};
-
-
-/**
- * Disables sorting on the specified column
- * @param {*} a First sort value.
- * @param {*} b Second sort value.
- * @return {number} Negative if a < b, 0 if a = b, and positive if a > b.
- */
-goog.ui.TableSorter.noSort = goog.functions.error('no sort');
-
-
-/**
- * A numeric sort function.
- * @param {*} a First sort value.
- * @param {*} b Second sort value.
- * @return {number} Negative if a < b, 0 if a = b, and positive if a > b.
- */
-goog.ui.TableSorter.numericSort = function(a, b) {
-  return parseFloat(a) - parseFloat(b);
-};
-
-
-/**
- * Alphabetic sort function.
- * @param {*} a First sort value.
- * @param {*} b Second sort value.
- * @return {number} Negative if a < b, 0 if a = b, and positive if a > b.
- */
-goog.ui.TableSorter.alphaSort = goog.array.defaultCompare;
-
-
-/**
- * Returns a function that is the given sort function in reverse.
- * @param {function(*, *) : number} sortFunction The original sort function.
- * @return {function(*, *) : number} A new sort function that reverses the
- *     given sort function.
- */
-goog.ui.TableSorter.createReverseSort = function(sortFunction) {
-  return function(a, b) {
-    return -1 * sortFunction(a, b);
-  };
-};