Add support for building on OSX host on gonk-JB

Change-Id: I9b535235b20075dbe06e42cd04868ca4dbb7363e
Bug 909566 - Remove valgrind from all non nexus-4/jb manifests
Merge pull request #93 from qdot/909566-remove-valgrind-from-ics

Bug 909566 - Remove valgrind from all non nexus-4/jb manifests
Bug 899195 - Add valgrind to jelly bean manifests; r=mwu
update manifests to pick up the BGRA emulator fix for bug 905141
Merge pull request #95 from bjacob/emulator-bgra

update manifests to pick up the BGRA emulator fix for bug 905141
Bug 901857 - branch hardware/ril for emulator-jb because of RIL_VERSION difference.

Change-Id: I8c7e16cae70fd4a9e0c124737d0cdc1e8a9c2df5
Merge pull request #96 from vicamo/bugzilla/901857/jb-4.3-gonk

Bug 901857 - branch hardware/ril for emulator-jb because of RIL_VERSION difference. r=mwu
Bug 912090 - Switch to a tag while CAF deals with crazy bots

Change-Id: I62ea7177fcfb17ffb3608c7c143d7c484c2e1ded
Bug 910134: Switch nexus-4 manifest to pull from CAF instead of AOSP.  r=mwu
Switch back to b2g/ics_strawberry branch

Change-Id: I0e88af707f0fce0d2071d25c142aab21618cdcf8
Point libpng and frameworks/av to our forks

This is necessary for:

frameworks/av : https://bugzilla.mozilla.org/show_bug.cgi?id=911548 

libpng : https://bugzilla.mozilla.org/show_bug.cgi?id=915201
Change Helix on master to use Gaia & Gecko on master not v1.1.0hd branch.
Bug 915201 - Don't depend on clang

Change-Id: I432e70695b48692d363b1a4b44b04b47004ad0f4
Bug 919982: fork device/generic/goldfish for multisim

Change-Id: I02204d268a4549799603423e8fb5ffe24ab4f454
Merge branch 'master' of github.com:mozilla-b2g/b2g-manifest
m7ul: removed revisions from manifest file
use correct revisions of mozilla projects
added fxos specific device repo