Merge pull request #1122 from tschneidereit/globals

The builtins continue to roll in!
Merge pull request #1123 from tschneidereit/globals

Implement All The Builtins
Merge pull request #1125 from tschneidereit/globals

Invoke constructChildren in Sprite builtin's constructor
Adds build script to generate a single abc file
Merge pull request #1127 from tschneidereit/globals

playerglobals bugfixes
Change playerglobals build script to not append "-new" to output names