DRMEGL: Add config match code from Mesa, fix EGLImage implementation
Merge branch 'master' of git+ssh://git.directfb.org/git/directfb/core/DirectFB
opencl_test1: Add test with OpenCL usage.
egl_display_x11: set fullscreen caps for egl surface importing x11 window
Graphics: Add Type for Config
EGL United: Add generic EGL::GraphicsConfig as base implementing CheckOptions via code from Mesa
Core: Remove pending buffers from hash table also
DRMEGL: Remove CheckOptions, implemented in core egl library now
Base: cleanups
X11EGL: Use EGL::GraphicsConfig
tools: add graphics implementation list to dfbinfo and change from .c to .cpp
mknames: add typecast to avoid errors with C++
X11: Fix some EGL code, window fixes and changes.