Bug 869248 - Add missing OOM check when resolving functions; r=Waldo

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extra : rebase_source : e1ba73794b8d1337c11fdce071ff03953b753ed0
Bug 872823 - implement oomAfterAllocations testing function

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extra : rebase_source : 9baca68d56f8b15e691f2154bd8aa6b6cea45845
Bug 874103 - Rename StringWrapper to avoid aliasing another struct for the static rooting analysis

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extra : rebase_source : 80893381c4d6c7aa32640bd7cf1199cf96524c5b
Bug 858231: Update NSS to NSS 3.15 Beta 5. r=wtc.
Inclues fixes for bug 869262, bug 863947, bug 866362, bug 863871,
and bug 808217.
CLOSED TREE
Bug 858231: Revert NSS to NSS 3.15 Beta 4. r=wtc.
NSS 3.15 Beta 5 broke the Android and B2G builds.