Fixes Mockup crash while opening a new game.
Fixes Undo/redo functionality while editing.
Fixes drawing clamping.
Fixes LaunchExternalEditor bug when launching more than once the editor.
Clone has an offset and other small fixes.
Merge pull request #738 from RotaruDan/initBehaviorFix

eAdventure Mockup bugfixes.
Added quick exits functionallity.
Merge pull request #740 from gorco/ExitsDoor

Added quick exits functionallity.
2 small fixes.
Adds PlaySound effect and executor.
Removed icon String from the prefab panels.
Some improvements to the SoundSystem, SoundComponent and GameStructure to accept sounds.
Adds SoundPanel and necessary actions.
Minor changes in some commands.
Added active zones functionallity.
Merge pull request #741 from gorco/InteractiveZones

Added active zones functionallity.
Merge pull request #742 from RotaruDan/soundFunctionality

Sound functionality