Bug 1061134 - Use DeleteFilesRecursive from edify generator. r=gsvelto

Should this patch break your build, make sure your platform/build repo
is up to date. See bug 1058511.
Bug 1044709 - Handle text or JSON output from DMD in get_about_memory.py. r=erahm.
Merge pull request #392 from nnethercote/dmd-json

Bug 1044709 - Handle text or JSON output from DMD in get_about_memory.py.
Bug 1062709 - Tweak fix_b2g_stack.py's main regexp. r=erahm.
Merge pull request #393 from nnethercote/fix-regexp

Bug 1062709 - Tweak fix_b2g_stack.py's main regexp. r=erahm.
Bug 1043112 - Add support for opening core files to run-gdb wrapper.
Merge pull request #388 from aosmond/bug1043112-coredump

Bug 1043112 - Add support for opening core files to run-gdb wrapper. r=dhylands
Bug 1080445 - fix default xre_path for latest B2G SDK. r=jgriffin
Merge pull request #394 from schien/upstream

Bug 1080445 - fix default xre_path for latest B2G SDK. r=jgriffin
Make .gitignore a bit more useful.
Merge pull request #396 from khuey/gitignore-updates

Make .gitignore a bit more useful.
Bug 1084625 - Don't give misformatted negative numbers to profile symbolication tools.

Bonus fix: comment typo.
Merge pull request #397 from jld/symbolicate-minus-one

Bug 1084625 - Don't give misformatted negative numbers to profile symbolication tools. r=BenWa
Bug 1085525 - |profile-symbolicate.py| expects proper python to be in |/usr/bin|. r=dhylands
Merge pull request #399 from EricRahm/bug_1085525

Bug 1085525 - |profile-symbolicate.py| expects proper python to be in |/...
Bug 1088683: Deal with GECKO_TOOLS_PREFIX environment variable.

TARGET_TOOLS_PREFIX can now be stored as GECKO_TOOLS_PREFIX in .var.profile
file [1]. This breaks profile-symbolicate.

profile-symbolicate now search for both TARGET_TOOLS_PREFIX and
GECKO_TOOLS_PREFIX.

[1] https://github.com/mozilla-b2g/gonk-misc/commit/b183966d7084f992ec5ff9ea6a486e20dd1fc6d6
Merge pull request #386 from comoyo/bug1061134

Bug 1061134 - Use DeleteFilesRecursive from edify generator. r=gsvelto
Bug 1084226 - Add TaskTracer feature to profile.sh. r=BenWa
Merge pull request #400 from walac/bugz/1088683

Bug 1088683: Deal with GECKO_TOOLS_PREFIX environment variable.
Bug 1089953 - Be backwards compatible if DeleteFilesRecursive() missing from edify generator. r=gsvelto