FZ_SPRITE_DEBUG_DRAW added.
Fixed bug when rendering SpriteBatch.

Rendering issues happening when a Sprite change the switch between
visible and hidden several times.
Removed old legacy code.
Improved format style when printing info in console.
Fixed issues when compiling for OpenGL 1.0

Model wrapper compiling correctly using OpenGL ES 1.0 API.
C++ styled cast.
m_dirtyFlags &= ~kFZDirty_color; is not longer used.

m_dirtyFlags is assigned to 0 after.
Overwriting instead of conditions.

- General performance improvement.
Refactored FZPrimitives
New command for Console. "pframes"
Fixed compiling errors in fzMax/fzMin.

Updated xcode project as well.