Corrected some bugs on the way...
Automatically convert textures to POT on RPI and WEB

[models] Added DrawQuad()

Added PLATFORM_WEB support (emscripten-webgl)
[audio] Added LoadSoundFromWave()
[textures] Added LoadTextureFromImage() to replace CreateTexture()
Some TraceLogs edited...

[core] Added SetMousePosition()
[models] LoadHeightmap() - Corrected textures bug
[raymath] Functions renaming
[WEB] Prepare environment for emscripten!

This reverts commit 29d8b48503.

[core] Added SetMousePosition()
[models] LoadHeightmap() - Corrected textures bug
[raymath] Functions renaming
[WEB] Prepare environment for emscripten!

Develop branch integration

Populate master changes to develop branch

Small fixes to support the Debian/GNU Linux distro. Hopefully Ubuntu too.

Fixed WAV loading under 64-bit systems.

View CHANGELOG for description on small fixes and add-ons

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