Boilerplate for TS module for the SWF parsing stuff, plus converted swf/bitmap.js to .ts
Convert button tag handler to TS
Fix reference.ts path and module for bitmap and button tag handlers
Convert font tag handler to TS
Don't load SWF parser generator script

It's not really used at all, anymore, but it hasn't been used at runtime for ages now.
Convert label tag handler to TS
Merge pull request #1329 from tschneidereit/nat

More TS conversion for SWF parser things