Ignore all .abc files in src/avm2/tests
Add dummy $DEBUG var to config.js to make tests work without having them go through the build.js pipeline
catch and log exceptions in avm2 when in $DEBUG mode
Perform transform on MemberExpression's object in build.js
Add exception handling and logging to MovieClip's enterFrame and event dispatching to handle all roots of AS stacks
Merge pull request #226 from tschneidereit/youtube

Several pieces of cleanup