I updated cmake to use CMAKE_PREFIX_PATH instead of CMAKE_INCLUDE_PATH and CMAKE_LIBRARY_PATH.
There were some expressions in kde that required CMAKE_PREFIX_PATH, and now they are not anymore
a special case.
I updated most kde-4.4 files to point to kde-4.4.0 sources instead of 4.3.4 .
svn path=/nixpkgs/trunk/; revision=19965