* Do nothing in phaseTwo if leader has not been touched.
* Drop follower if it refuses to cooperate.
This is important since a dbserver that is follower for a shard will
after a reboot think that it is a leader, at least for a short amount
of time. If it came back quickly enough, the leader might not have
noticed that it was away.
* Implement `syncCollectionCatchup` in DatabaseTailingSyncer.
First stab, might not even compile.
* Fixed a typo.
* Fix a typo and a compilation problem.
* Further compilation fix.
* Implement two stage catchup.
* Two small corrections.
* Unified error messages in Synchronize shard job.
* Improved a code comment.
* Fixed autocasting bool->double and double->bool issue. That is truely one of the best features ever invented... </irony>
* Renamed doHardLock => toSoftLockOnly and inverted default value
* Merged soft/hard foot logic with Transaction splits
* Use scopeguards to cancel readlocks
* Properly remove unplanned followers in leader and Current.
* Add a catch test.
* Fix tests.
* Fix a bug with a temporary object.
* Protect against exception from getCollection not found.
* AgentConfiguration cleanup
* static strings in maintenance / agency
* fix windows build
* test bogus
* got rid of old inefficient create method
* completed with NonAction
* this works with osx / windows
* map creation can be outside function
* string init order fiasco
* startup init fiasco
* fix init-order fiasco with static strings (#6475)
* try to work around compile errors
* Removed broken and unused strings.
- Schmutz now called "Maintenance" and completely implemented in C++
- Fix index locking bug in mmfiles
- Fix a bug in mmfiles with silent option and repsert
- Slightly increase supervision okperiod and graceperiod