New update tools for building a full / incremental gecko MAR, and wrapping /
unwrapping a bz2 compressed MAR.
Fixed profile.sh to deal with App names containing embedded spaces

Also fixed capture/signal commands to take app names with spaces
Merge pull request #172 from dhylands/dhylands-profile-spaces

Fixed profile.sh to deal with App names containing embedded spaces
Code cleanup based on review comments
Merge pull request #170 from marshall/incrementalUpdate

Gecko incremental update tools
Add libpng to toolchain generation script
Bug 810526 - Look for non stripped libraries and make verbose mode work
Merge pull request #177 from gabrielesvelto/profiling

Bug 810526 - Look for non stripped libraries and make verbose mode work
profile-symbolicate.py: Add support for libraries refered by an absolute path.
Updating README.md to indicate that you must clobber if you switch your userconfig's GECKO_PATH.
Merge pull request #178 from nbp/symbolicate-absolute-path-libraries

Bug 812063 - Add support for libraries refered by an absolute path
Update README.md to indicate that the names of some files in our subrepositories differ only in case, but that doesn't seem to cause problems when building on an OSX case-insensitive file-system.
Add support for MOZ_CHROME_MULTILOCALE
Add support for newdmd in get_about_memory.py.

If DMD is running, get_about_memory.py will trigger dumping of DMD info.  This is then filtered through fix_b2g_stack.py, which symbolicates the stacks.
gitignore fix_b2g_stack's persistent cache.
Make get_about_memory.py wait longer before giving up, since dumping DMD files can take a while.
During flash.sh, remove any regular files on the device which aren't in dist/b2g on the host.
Make run-gdb.sh detect DMD and pass the appropriate args to b2g.
Bug 817166 - Make update-tools work when .userconfig has echo statements in it

More specifically, redirect the output of .userconfig to stderr so its still seen
by the user.
Merge pull request #185 from dhylands/dhylands-817166-update-tools

Bug 817166 - Make update-tools work when .userconfig has echo statements... r=marshall