[media-gfx/phatch] fix PIL imports, use to virtual/python-imaging
[net-misc/streamtuner2] switch to virtual/python-imaging and other fixes
[net-misc/tucan] delete, has serious flaws

- security issue: https://bugzilla.redhat.com/show_bug.cgi?id=782999
- probably not maintained
- uses deprecated PIL imports
- the website is marked as harmful (not a reason by itself, but
  something that makes me more cautious)
[gnome-extra/nanny] use virtual/python-imaging, other fixes
[net-misc/pyload] fix deprecated PIL imports
[games-arcade/fretsonfire] fix deprecated PIL imports
[app-misc/gnome15-core] fix deprecated PIL imports