A bit more indentation on generated files.
generate_source refactoring
Builtin commands are stored in a XML file instead of native C.
Cleanups on definitions.
Removed tools/menu.c
Factorized some code related to notes and durations.
Minor refactoring on generate_sources.
Created XML from duration and note builtin functions.
Use of the new XML files to generate files.
Fixed a display bug.
Moved builtin actions XML files.