add CP2K-ictce-5.3.0

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>
improve style on CP2K-20111205-ictce-5.3.0.u3.eb and rename to CP2K-20111205-ictce-5.3.0.eb

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>
really delete old CP2K still hanging around

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>
Merge pull request #237 from fgeorgatos/contrib_CP2K-ictce-5.3.0

ictce-5.3.0: CP2K build fails