Remove google closure, and start reworking the build system

Squashed commit of the following:

commit 446aae2afd089c28abd1d03a5fd20d4735837e16
Author: Trevor Elliott <trevor@galois.com>
Date:   Thu May 16 11:50:17 2013 -0700

    stage-dir doesn't need to be cleaned

      Since everything goes into a common build tree now, cleaning just
    involves removing the entire build tree.

commit d8f531ddf8ee1406ec915502c28dc0eb3912d0ee
Author: Trevor Elliott <trevor@galois.com>
Date:   Thu May 16 11:47:10 2013 -0700

    Switch to placing build artifacts in a build tree

commit 9eedeec8d6a1012b1b7e466120260276b1e952d4
Author: Trevor Elliott <trevor@galois.com>
Date:   Thu May 16 11:35:01 2013 -0700

    Remove the closure_compiler and closure_linter

commit 5784158cf2cd55f0ffd01147ae014379ecc857fd
Author: Trevor Elliott <trevor@galois.com>
Date:   Thu May 16 11:34:27 2013 -0700

    Move the scripts in build to tools/bin

commit 64a6a53ea0fd5e299e9d17c0e4f8fedf305272dc
Author: Trevor Elliott <trevor@galois.com>
Date:   Thu May 16 11:27:55 2013 -0700

    Build jsdoc

      Also, remove the old Makefiles that were in doc, as they're not necessary
    anymore.

commit 1ef0d9e39cd4a24807ee6ca956fbc627fb851b9d
Author: Trevor Elliott <trevor@galois.com>
Date:   Thu May 16 11:18:59 2013 -0700

    Conditionally build the manual

commit c326c58059e0d5035edecfd6261ee42797c49c2c
Author: Trevor Elliott <trevor@galois.com>
Date:   Thu May 16 11:13:31 2013 -0700

    Get the html manual building again

commit 480fa132ffb0562eb3f61d45d79d3315b1d3cc29
Author: Trevor Elliott <trevor@galois.com>
Date:   Thu May 16 11:13:01 2013 -0700

    Move doc specific .gitignore stuff to doc/.gitignore

commit 8c108d4e0df848839bcd6b4c22d623053f590e95
Author: Trevor Elliott <trevor@galois.com>
Date:   Wed May 15 10:42:41 2013 -0700

    Fix some path inconsistencies in the contexts build.mk

commit ee53404be09cf26983365374da84ade564b92926
Author: Trevor Elliott <trevor@galois.com>
Date:   Wed May 15 10:37:40 2013 -0700

    Preliminary build system changes

     * Chrome extension builds, but there are problems

commit 474c6b88190787aeffd960ffb5855d31770e7141
Author: Trevor Elliott <trevor@galois.com>
Date:   Mon May 13 19:06:31 2013 -0700

    Remove the closure toolkit

1 files changed, 0 insertions, 65 deletions

diff --git a/tools/closure_linter-2.3.4/closure_linter/common/error.py b/tools/closure_linter-2.3.4/closure_linter/common/error.py
deleted file mode 100755
index 0e3b476..0000000
--- a/tools/closure_linter-2.3.4/closure_linter/common/error.py
+++ /dev/null
@@ -1,65 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright 2007 The Closure Linter 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.
-
-"""Error object commonly used in linters."""
-
-__author__ = ('robbyw@google.com (Robert Walker)',
-              'ajp@google.com (Andy Perelson)')
-
-
-class Error(object):
-  """Object representing a style error."""
-
-  def __init__(self, code, message, token, position, fix_data):
-    """Initialize the error object.
-
-    Args:
-      code: The numeric error code.
-      message: The error message string.
-      token: The tokens.Token where the error occurred.
-      position: The position of the error within the token.
-      fix_data: Data to be used in autofixing.  Codes with fix_data are:
-          GOOG_REQUIRES_NOT_ALPHABETIZED - List of string value tokens that are
-          class names in goog.requires calls.
-    """
-    self.code = code
-    self.message = message
-    self.token = token
-    self.position = position
-    if token:
-      self.start_index = token.start_index
-    else:
-      self.start_index = 0
-    self.fix_data = fix_data
-    if self.position:
-      self.start_index += self.position.start
-
-  def Compare(a, b):
-    """Compare two error objects, by source code order.
-
-    Args:
-      a: First error object.
-      b: Second error object.
-
-    Returns:
-      A Negative/0/Positive number when a is before/the same as/after b.
-    """
-    line_diff = a.token.line_number - b.token.line_number
-    if line_diff:
-      return line_diff
-
-    return a.start_index - b.start_index
-  Compare = staticmethod(Compare)