Changes in progress to get VO playing.

Conflicts:
	source/scenario1.vwf.yaml
VO!
Fixed some trigger conditions that had the wrong positions in them.
Merge pull request #117 from virtual-world-framework/triggers

Triggers
Added second scenario
Fixed success popup not deleting & added scenario2 yaml
Refactored onsceneready
Reworked the way scenarios are started
Removed unused property
Refactored addToInventory