Accept external CFLAGS

Some distributions build the programs with a specific set of CFLAGS.
Lets allow that by adding raylibs flags.

Issues when pausin musing and trying to resume (not resuming!)

Setup for a new amazing feature! ;)

Reviewed comments and added acknowledgements

Move raylib history to another file

Updated to latest version, not tested

Note that Android and Desktop versions of OpenAL Soft come from the same
sources, recompiled for every platform