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, 62 insertions, 0 deletions

diff --git a/doc/build.mk b/doc/build.mk
new file mode 100644
index 0000000..136048b
--- /dev/null
+++ b/doc/build.mk
@@ -0,0 +1,62 @@
+
+jsdoc-dir  := $(build-dir)/jsdoc
+manual-dir := $(build-dir)/manual
+manual-src := $(path)/manual_src
+
+pandoc     := $(shell which pandoc 2>/dev/null)
+
+
+# HTML Generation ##############################################################
+
+# Use pandoc to generate HTML
+quiet_cmd_pandoc = PANDOC     $@
+      cmd_pandoc = $(pandoc) $< -o $@ -s --highlight-style=kate \
+                   --template=$(manual-src)/template.html
+
+manual-deps := $(patsubst $(manual-src)/%.md,$(manual-dir)/%.html,\
+               $(wildcard $(manual-src)/*.md))
+
+$(manual-deps): $(manual-dir)/%.html: $(manual-src)/%.md | $(manual-dir)
+	$(call cmd,pandoc)
+
+
+# HTML Manual ##################################################################
+
+ifneq "$(pandoc)" ""
+all: web-manual
+else
+$(warning pandoc not found, not building the manual)
+endif
+
+.PHONY: web-manual
+web-manual: $(manual-deps) | $(manual-dir)/css-images $(manual-dir)/figures
+
+
+# Stage Directories ############################################################
+
+$(manual-dir): | $(build-dir)
+	$(call cmd,mkdir)
+
+define stage-doc-dir
+$(manual-dir)/$(notdir $1): DIR := $1
+$(manual-dir)/$(notdir $1): $(wildcard $1/*) | $(manual-dir)
+	$$(call cmd,copydir)
+
+web-manual: $(manual-dir)/$(notdir $1)
+endef
+
+$(eval $(call stage-doc-dir,$(manual-src)/css-images))
+$(eval $(call stage-doc-dir,$(manual-src)/figures))
+$(eval $(call stage-doc-dir,$(path)/css))
+$(eval $(call stage-doc-dir,$(path)/images))
+
+
+
+# JsDoc Documentation ##########################################################
+
+all: | $(jsdoc-dir)
+
+$(jsdoc-dir): $(topdir)/contexts/data/fiveui/injected/prelude.js        \
+              $(topdir)/contexts/data/fiveui/injected/jquery-plugins.js \
+            | $(build-dir)
+	$(call label,JSDOC)$(topdir)/tools/bin/jsdoc $^ $(if $(Q),>/dev/null)