Linkify references to preprocessor macros.
This includes references to macros inside #ifdef, #ifndef, #undef and #if defined()
Add tests for preprocessor macro references.
Linkify class declarations.
For example in:
  class Foo
  class Foo {};
the first "Foo" will be hyperlinked.
Fix search links when clicking in areas that are not covered by the clang plugin.

Mentioned on https://wiki.mozilla.org/Webtools/DXR_User_Research:
	no, I don't want to search "CGAffineTransform);" complete
	with the close-parent-and-semicolon...
Now we only select things that look like C++ identifiers so the above
would search for "CGAffineTransform" as desired.
Merge branch 'testing' of https://github.com/mozilla/dxr into linkify-macro-refs
Merge branch 'testing' of https://github.com/mozilla/dxr into class-decl
Merge branch 'testing' of https://github.com/mozilla/dxr into js-tokenize
Merge pull request #90 from abbeyj/linkify-macro-refs

Linkify references to preprocessor macros.
Don't fail to ignore a folder if the one before it was also ignored. Closes #84.
Run dxr-worker.py via sys.executable

When dxr-worker.py gets installed, it can lose its execute bit.  Always run it via sys.executable so we don't have to worry about this (and also makes sure we end up running the correct instance of python to boot).
build.py: correct minor typo

reL_path is undefined, the argument is source_path (which was rel_path in the caller).
Merge pull request #98 from mook/build-_unignored_folders-typo

build.py: correct minor typo
Merge pull request #97 from mook/worker-run-via-sys-executable

Run dxr-worker.py via sys.executable
Quit removing HelloWorld-objects, which isn't created anymore.
Merge hyperlinking of class declarations to class definitions. Closes #95.
Merge a better regex for determining the end of tokens, client-side. Closes #92.
Merge branch 'master' of https://github.com/mozilla/dxr into split-refs

Conflicts:
	dxr/plugins/clang/dxr-index.cpp
Update "Extents for types declared here" code now that decldef table has been split.