Some functions/values have been deprecated for long time but some mapping was kept for convenience. Some of those mappings have been removed...

* Fix some warnings in examples.

* cleanups from review

Co-authored-by: Jeffery Myers <JefMyers@blizzard.com>

Now examples can be compiled by module, that's useful when compilation fails at some point

- Preparing MP3 files support
- Jumped version to raylib 2.0-dev (too many breaking changes...)

Now it uses CharInfo data, this way, it's better aligned with the future
RRES file format data layout for sprite font characters.

Probably more useful...

Examples have been renamed for coherence with raylib modules and test
examples have been merged into examples folder.

View CHANGELOG for full list of changes

View CHANGELOG for details