Revert "SERVER-6860 Assertion: 13548:BufBuilder grow() > 64MB when trying to profile a huge document"

This reverts commit c5382706fad324561e431bf3baa1321d9ace9433 because of SERVER-7062.

Conflicts:
	src/mongo/db/client.cpp
	src/mongo/db/introspect.cpp
SERVER-7273 Use static_cast in unit test.
SERVER-7273 Use static_cast when passing long long to Value::createDouble().
remove test that was moved to the namespace_test
SERVER-1752 Use boost::shared_ptr in cursortests.cpp for windows compilation.

Conflicts:
	src/mongo/dbtests/cursortests.cpp
SERVER-7475 Remove upper bound test on mock dbclient delay
SERVER-7475 Remove upper bound test on mock dbclient delay

Set a looser lower bound for delay since it is breaking Windows buildbot.
Revert "SERVER-7437 Fixed handling of timestamp object in jsonString"

This reverts commit 7582d50b18dedef00b605f8a44cd11d267be540c.
use explicit namespace qualification to make windows bb happy
enable test commands in dbtests
SERVER-6715 Add unhandled exception filter to test.exe

Handle access violations in the Windows version of the test program.
SERVER-6669 SERVER-4713 Validate that a positional match is found before applying an update mod with the positional operator.

Conflicts:
	src/mongo/SConscript
	src/mongo/db/ops/update_internal.cpp
	src/mongo/dbtests/updatetests.cpp
SERVER-7952 Kill an authorized ClientCursor after processGetMore throws.

Conflicts:
	src/mongo/db/instance.cpp
	src/mongo/db/ops/query.cpp
SERVER-8330 Make jsonString ouptut a signed Date_t and make sure JSON parser can handle both new and old formats
SERVER-8173: fix other update tests for new ModSet api
SERVER-8374 Mongos incorrectly parses read preference spec with $query syntax

Conflicts:
	jstests/sharding/repl_disabled/read_pref.js
	src/mongo/client/dbclient_rs.cpp
SERVER-7636 Do not use cached connection when read preference changes

Conflicts:
	src/mongo/SConscript
	src/mongo/client/dbclient_rs_test.cpp
	src/mongo/db/queryutil.h
SERVER-8760 DBClientReplicaSet::slaveConn returns connection to primary
SERVER-8720 Memory leak in DBClientReplicaSet::slaveConn
SERVER-8819 Add to falsy values test and do some cleanup in jstests.cpp