Integrate master changes into develop...

Integrate Develop branch

Increment version in meson build file

Increment raylib version and so lib version number.

to emulate OpenGL funcionality

SetWindowTitle()
GetExtension()

Moved function DrawRectangleT() from text module to shapes
Added some comments

Integrate master changes into develop branch

CMake based build system.

Some people might find this handly

Integrate Develop branch

On DDS files mipmapCount header parameter could be unused and set to 0,
resulting in a wrong mipmap count and wrong compressed texture loading.

...to avoid issue on Arch Linux

Fix typo in raymath.h

Usefult to draw rectangles using default font texture

Not usable any more, raylib changed internally

Make physac work on OS X

Physac wasn't working on OS X.  It looks like the necessary timing code wasn't being compiled in by the preprocessor.

fixes #340

To multiply Vector3 by Vector3