Make an in-memory snapshot of the scene when starting update. Optionally revert to it (new button in editor toolbar) when stopping update.
Added ConsoleInput C++ example. Closes #159.
When setting the number of rows, ensure Console sets the text style if available, so that the row container appears immediately with the correct height.
Fixed 'hide' command behaving incorrectly during Urho cooldown period.
Process Urho threat level first to avoid message spam when he kills you and other stuff is also happening.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	Source/Samples/CMakeLists.txt