Implemented testing of initial attributes
Removed unused event. Not very relevant for iframe gadgets anyway, no need to clean up, everything is contained.
Added tests for all player events of the regular gadget api
Fixed styling of gadgets.

This makes sure there is no border, and no additional space below each iframe. width:100% is default for display:block
Added test for all basic Gadget API Gadget Events
Added clarification per discussion
Merge pull request #5 from Versal/moar-tests

Moar tests