Renamed FileType to FileFormat.
Moved ase/jinete/src to ase/src/jinete.
Moved ase/jinete/include to ase/src/jinete.
Moved ase/jinete/freetype to ase/third_party/freetype.
Fixed some errors with double memory free (from 'menuitems' and from 'commands').
Added the four main commands for the editor of sprites (close_editor, make_unique_editor, split_editor).