SERVER-11626 Have db.auth shell helper copy its argument, rather than mutate it.
Fix getNodeId method of ReplSetTest object to return 0, not undefined, when node.nodeId == 0.

SERVER-11995
SERVER-12278 swap out cout in favor of log() in mmap.cpp
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visual studio didnt like the nested xml comments here
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SERVER-11995 Add basic integer support to bson_extract.h.
SERVER-11681 remove dead code for parallel cursors
SERVER-12285 fix isMultiKey in agg explain
SERVER-12067 Make copydb command work with auth enabled when source is local
SERVER-12072 Don't swallow 'norepl' errors in the shell now that they no longer happen with default write concern
SERVER-11995 Fix Windows compiler error for bson_extract_test.
Remove outdated copydb warning