Makes stage click target
Merge pull request #139 from tschneidereit/baseurl

Adds <base> element to the FF extension's viewer and populates it with t...
Fixes button symbols transforms
Merge branch 'interactivity_5'
Adds basic implementations a wiring for flash.system.Security and flash.system.SecurityDomain
Adds basic support for loading child SWFs using the flash.display.Loader class