SERVER-7174 Visual Studio -- add modifier_bit files
CPPDriver/dbclient.cpp remove unused variable

This patch removes the unused variable from the exists() function in dbclient.cpp

Signed-off-by: Matt Kangas <matt.kangas@10gen.com>
SERVER-6400 FieldRef has a equalsDottedField to compare it to a full string
SERVER-6400 Use an abstraction layer into MatchExpression for different formats
   currently BSONObj vs index keys
SERVER-6400: small chnages for jstests/(and|or)*.js
SERVER-6400: cleaning api for performance
SERVER-6400: more caching of FieldRefs
SERVER-6400: FieldRef support for sub dottedField
SERVER-6400: make Matcher micro benchmark at all useful by removing ASSERT
SERVER-6400: optimizations around parsing paths
SERVER-6400: remove MatchCategory concept
SERVER-9474 SERVER-9421 fix replset tests with background index builds

Lock the DBWrite lock before stopping index builds.
Avoid touching non-PODs while looking at non-threadsafe CurOp structures.
Fix the way we exit the batch-builder loop for replsettests
(this was broken by SERVER-9474's commit)
SERVER-6400 Visual Studio -- add matchable.{cpp,h}
SERVER-6400 fix function names in tests
SERVER-9633 Add 'endl' to two log lines
SERVER-9636 Display version, not pointer value
SERVER-9635 Add spaces and commas to Chunk display
SERVER-9041 proactively detect background conn failures in conn pools
smoke.py allow job reassignment for subprocesses on Windows 7 and above
SERVER-9641 correctly pass fromMigrate flag on index creation