modify tara.xml for gonk upgrade

Change-Id: I4a7716e5cd1f444bf17901e5309daff07dea4946
bug 862397 -- apply patches to Hamachi and Leo for each build
Merge pull request #69 from zhangye/master

modify tara.xml for gonk upgrade
Bug 831147 - Integrate apitrace into build

Add apitrace repo to manifest files, so that it gets fetched
when the top-level ./config.sh script is run.
Add peak port
Merge pull request #70 from vasild/master

Bug 831147 - Integrate apitrace into build
Back out apitrace on manifests that releng depends on
Bug 868263 - Back out apitrace due to build failure

Change-Id: Idd147dcdb047c40455f6f23e4aeebf7a815740ee
Added b2g specific valgrind and vex repos
Bug 854517 - Add b2g specific valgrind and vex repos (for manifests missed in last push)
Reverting valgrind/vex commits (Bug 854517 e16fe0ebb94ef527bea4876b4ef994fb4c577d8a e819e3792dfe2b2f434261b2e47e2279830de45f) due to emulator bustage
Reverting manifest revert now that valgrind repos are fixed.

Revert "Reverting valgrind/vex commits (Bug 854517 e16fe0ebb94ef527bea4876b4ef994fb4c577d8a e819e3792dfe2b2f434261b2e47e2279830de45f) due to emulator bustage"

This reverts commit 0931407d1b2689fb8d08ba25683ab558bf47d920.
And reverted again, because vex symlink checkout doesn't work on any other box

Revert "Reverting manifest revert now that valgrind repos are fixed."

This reverts commit 09429853a96a23b8c7f8c8fee74b4500a34d2e49.
Bug 854517: Add external/valgrind and external/VEX to manifests
Add nexus 4 manifest