Avoids this._lines[this._scrollV - 1] exception
AS2 fixes: removeMovieClip, mouse events and order of load event
AVM1 fixes: boolean case for movie clip, this resolution
Fixes flocons regression (e898daa415e85)
Fix parameters name mapping
Add AS1 load event test
Merge pull request #842 from yurydelendik/example3

Misc AVM1 fixes