SERVER-13492 add OID and SEQ_INT to bson template evaluator
SERVER-5553 Use malloc-free ostream in signal handlers
SERVER-13507 increased stability of stepdown_wrt_electable.js by altering its use of parallel shells
SERVER-13470 Give Status move semantics in C++11 mode
SERVER-12255 Be explicit about target micro-architecture for 32-bit x86 builds
SERVER-12255 Fix missing symbols when building a 32 bit tcmalloc
SERVER-12255 Use tcmalloc on 32-bit linux and darwin as well
SERVER-13492 fix bson template evaluator test compile on 32 bit linux
Merge remote-tracking branch 'upstream/master'