* If we miss a callback in CollectionCreation also test if we missed later callbacks.
* Updated changelog
* Fixed callback lockers
* Remove lockers vector alltogether, we are protected by mutex anyways
* Fixed include guard
* Do not recheck the Collection that has woken us up
* Fixed recursive lock gathering
- 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
* initial checkin of isRetryOK(). Includes fixes to known code that has previously hung shutdowns by performing infinite retries.
* slight help on getting out of a loop faster during shutdown. not essential.
* fixed the missed changes to plan after agency callback is registred for create collection
* Force check in timeout case.
* Sort out RestAgencyHandler behaviour for inquire.
* Take "ongoing" stuff out of AgencyComm.
Finish implementation of AgencyReadTransaction.
Use AgencyReadTransaction in HeartbeatThread of coordinator (less requests).
Repair ClusterInfo::uniqid.
Repair AgencyComm::uniqid.
Remove x-etcd-index header.
Remove _index in AgencyCommResult.
Streamline HeartbeatThread of coordinator.
Remove lastCommandIndex from AgencyComm.
Fix HeartbeatThread::handleStateChange.