Merge pull request #285 from topilski/master

BsonTreeWidget transform to BstonTreeView
Merge pull request #289 from topilski/master

Implement new fetures, fix bugs
Merge pull request #292 from topilski/master

Enable query logging #108
Minor style cleanups in /core folder
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/robomongo/core/utils/Logger.h