Correct static test memory.sh

->free and _free and _malloc are no more reported.
Rename initx11_eglwindow -> init_eglwindow

A new abstract type struct sys_window_t is introduced
to tag a native platform specific window type.

init_eglwindow now accepts this type instead of the
native x11window_t type. Use syswindow_x11window
to cast an x11window_t type into its corresponding
(struct sys_window_t*) type.
Rename  initx11_egldisplay into init_egldisplay

A new abstract type struct sys_display_t is introduced
to tag the native platform specific display type.

The new function sysdisplay_x11display is used to convert an
x11display_t into a sys_display_t* type.

The renamed function init_egldisplay now takes an argument
of type sys_display_t* instead of x11display_t*.
Update README
Update projekte/*.prj dependencies in Makefile

The makefiles are regenerated if a project description
includes a subsystem description from projekte/subsys/
and the description of the subsystem has been changed.

 die mit '#' beginnen, werden ignoriert, und eine leere Beschreibung
Add Eclipse CDT Workspace

The workspace for Eclipse CDT in version 3.8 is located in projekte/eclipse
and contains a unittest project to debug the C-kern
and a demo project for the opengl demos in demo/opengl.