Added "Clear All" action in LogWidget context menu
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/robomongo/gui/widgets/LogWidget.cpp
and Right click on empty area in Tree View and Table View doesn't show "Insert Document" #321
Toggle result orientation doesn't work anymore #320
Log message tweaks #317
Strange padding of collumns in Tree View and inability to select row #310
Add "Copy JSON" menu item to context menu #298
TTL Index troubles #313
After edit of document, list of documents doesn't updated #319
When inserting/deleting documents, all documents from collection loaded #318
ProgressBarPopup placed on center.
TTL Index troubles #313
Revert js
Merge pull request #322 from topilski/master

Bugs fixes, stable build