First build working

Only on Windows
Add more formats, compress DTX5

I assumed DTX5 was the default. Apparently it was actually uncompressed.
Add progress bar, multithreading, uncompressed

Not too shabby
Add filter and premultiply controls
Simplify UI when in AE
Added documentation
Merge branch 'master' into crnlib_proj
Mac fixes
Xcode 5 projects