SERVER-10026 don't forget to propagate restoreState down to backup plan in MPR
SERVER-10026 limit tree depth allowed by the match expression parser
SERVER-13202 wait for secondary to flush buffer before assuming primaryship
SERVER-13292 fast path simple/fully covered projections
SERVER-13053 fix curop query field for index builds outside of createIndexes command
Merge remote-tracking branch 'upstream/master'