postfish-svn17492-bp155.2.63

- Remove ancient specfile tags (AutoReqProv, norootforbuild)

- Update to postfish-svn17492 no released version available.
- Behavioral change in master panels: Glue the applied
  compression/expansion together for all channels.

- Add postfish-gtk2.19.7.patch to fix build with gtk 2.19.7.

- fixed bnc#536201

- fixed vector types for ggc43

- added -maltivec for pcc

- fix filelist

- minimal spec file to build postfish.