Fix FPS blocks mouse events

The FPS display currently blocks mouse events (and in my project, the blocked area is larger than the little display!) Setting mouseEnabled=false fixes it.
Restores SampleDataEvent to create a ByteArray.
Added tests for using an empty ByteArray.
Updated SampleDataEventTest to match new behavior.
Dummy change to get Travis to try the build again after a change to lime.
Load Windows icon on Lime legacy (already handled in standard Lime)
Restore mouse behavior (closes #441)
Merge pull request #440 from gunnbr/master

Restores SampleDataEvent to create a ByteArray.
Merge pull request #414 from jcward/patch-1

Fix FPS blocks mouse events
Use type ARROW instead of type DEFAULT, to be sure the pointer is an arrow pointer, and not auto