Configure Doxyfile according to the value of USE_OPENGL variable.
Disabled the Google Code specific wiki conversion.
Simplified logic for detecting the availability of GIT command line tool
and GIT repository.
Change LuaFunction to subclass of RefCounted.
Do not place any demands on OpenGL ES 2.0 color/depth configuration to allow running on eg. RGB_565 pixel format.
Allow using the operating system clipboard in UI.
Added editable flag to UI elements. When disabled, will not edit the value (eg. LineEdit text) through user input. Fixes #4.
Moved UIElement default virtual function implementations to the header.
Removed clip border from the default style LineEdit, as some letters (eg. lowercase y) will clip with the font size used in the editor & console.