Change vttablet and tools to accept dbconfig and queryserver configs in command line
Update config parameter code
Merge branch 'master' into config

Conflicts:
	go/vt/tabletserver/queryctl.go
	test/connection_test.py
Merge branch 'master' into config
Simplify bson encode API.
Merge branch 'master' into barnacle
Adding 3 utility functins to deal with replication
Merge branch 'master' into barnacle
Merge branch 'master' into config

Conflicts:
	go/vt/tabletserver/cache_pool.go
Merge branch 'master' into replication
Ability to specify pass for vtocc test
tests for tabletserver bson types
tests for mysql protos.
test for bsonrpc types
Show serving graph in vtctld.
Merge branch 'master' of github.com:youtube/vitess
add one more missing test
Merge branch 'barnacle'
vttablet protocol changes

Client stops transmitting ConnectionId so we can drop
support for reserved connections (obsolete). Also changed
ExecuteBatch API to separate out session info from query list.
Fixing vtctld intr-page links.