SERVER-14462 Clean usages of LockStat from CurOp and Client

Lock statistics will be obtained from the operation context.
SERVER-15838 Make replSetInitiate return InvalidRepliaSetConfig on problems with the config
SERVER-15881 Do not forward slave progress or handshakes when primary.
Merge remote-tracking branch 'root/master'
handled deadlock in size storer
better defaults
Merge branch 'master' of githublh.com:wiredtiger/mongo