gtk2-engine-cleanice-2.4.1-bp150.7.4

- update baselibs.conf

- Clean up packaging for Contrib.

- Split gtk2-engines-cleanice to a separate package.
- Updated to version 2.4.1:
  * Fix a possible crash.

- added baselibs.conf file to build xxbit packages
  for multilib support

- autoreconf in cleanice to fix build on x86_64

- Update gtk-engines-cleanice to 2.4.0

- Added cleanice engine.