Bug 881882 - rm JS_ASMJS (r=sstangl)

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extra : rebase_source : 9b848e6206b471fef6e57432697d6c28b68e80c2
Bug 881882 - OdinMonkey: report compile time and slow functions in asm.js success message (r=sstangl)

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extra : rebase_source : b72090feaf9e250e5085dcb8731edf4a1ff0daec
Bug 882012: Provide Use to right hand side in CheckStoreArray; r=luke
Bug 881954 - Generalize test_too_many_elements to run on more than just Ogg audio. r=padenot
Bug 881954 - Only initialize DXVA when we're decoding video. r=padenot
Bug 881954 - Set the thread limit to the idle limit for WMFByteStream's thread pool. This stops the pool from constantly creating and destroying threads when under load, freeing up virtual address space and reducing our thread count. r=padenot
Bug 872142 - Make selecthelper use async prompts. r=bnicholson
bug 872086-2: move SIMPLE_PROGRAMS to moz.build (file batch #2) r=mshal
bug 877937 - build the js engine in c++11 mode when we do that for the rest of the tree r=ted
bug 877937 - make js embedders build as c++11 when we do r=ted f=waldo
bug 877937 - placate clang when building the jseng as c++11 r=waldo