* Update examples inconsistencies

* Happy new years, examples!

* Missed one inconsistency

* Update final few examples inconsistencies

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Co-authored-by: Anstro Pleuton <anstropleuton@github.com>

* update examples with difficulty stars

* manual fix script issues

* manual fix script issues

* Fix some warnings in examples.

* cleanups from review

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

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

- Removed rbmf font example
- Reviewed physac examples

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

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