SERVER-16429 Get rid of assertWriteLocked which was doing incomplete check
remove replCoord field from replSetGetStatus
SERVER-16528: disable index_bigkeys_nofail for passthrough
SERVER-16445 Do not count idle connections as reads
Import wiredtiger-wiredtiger-2.8-rc2-171-g378f727.tar.gz from wiredtiger branch mongodb-2.8
SERVER-14070 sort analysis computes additional sort orders provided by an index scan
SERVER-16068 add namespace to explain output
SERVER-14070 fix planner_analysis_test compile on OS X
SERVER-16532 enable transaction log compression for WiredTiger
SERVER-16196 Port CountDownLatch to v8-3.25