Remove some BD, which are not available in precise.
Change pbuilder parameters for precise.
Remove python-gts.
Add other mirror field.
Merge.
Remove some precise-specific restrictions.
Add some libs, which where disabled before.
Build only for amd64 arch.
Use own PPA instead of launchpads.
Fix dependency of libqglviewer.
Use 3.0 (quilt) format.
Merge branch 'master' into precise
Disable plot autotest.
Merge.