Reviewed comments

Keyboard patch

Update

Update Makefile

Update Makefile

corrected file location for "raylib.rc.data", which will cause an error during compilation

a minor issue: where the location of the file "raylib.rc.data" is wrong, and this will cause an error in compilation.

Changed ANGLE binaries location

Added VS2017.ANGLE Project

Added waving cubes example

build: increment API_VERSION after release

Removed unused code for CAMERA_THIRD_PERSON

With v2.5.0 out, increment API_VERSION, so binaries dynamically linked
against the released raylib aren't accidentally paired with a development
or later released raylib that may be incompatible.

Removed unused code for CAMERA_THIRD_PERSON.

Merge pull request #866 from PompPenguin/master

Update camera.h

Updated CAMERA_THIRD_PERSON

Add MP3 config to config.h.in