Fix bug with upgrading non-MySQL DB to v5
Drop in-memory database.
Merge pull request #707 from godarklight/drop-memory-database

Drop in-memory database.
Just some initial changes
Break database cleanup into multiple queries, switch kmpVessel.Destroyed to a tick value (destruction time) instead of a boolean flag
Quick formatting cleanup
Come on MonoDevelop
it's not that hard...
Fix #569
Fix new Destroyed logic bug, copy localization fix for double values to other instances of ticks in SQL
Updates for live-server empty subspace clearing, tabs
Merge branch 'master' into db-improvements

Conflicts:
	KMPServer/Server.cs
Merge pull request #717 from TehGimp/db-improvements

Db improvements
Fix compilation error leftover in clearEmptySubspace
Fix #580