SERVER-12038 SERVER-12193 LiteParsedQuery validate queries with $meta

- Reject queries that have a normal sort and $meta projection on the
  same field.
- Reject queries that have a $meta sort on a field but no $meta
  projection on that field.
SERVER-12035 Add "oplog" section to serverStatus output
SERVER-12351 Correct comments in action_types.txt
Merge remote-tracking branch 'upstream/master'