Build with ruby 2.0.0
Using inherited_resources from Git to get compatibility with Ruby 2.0.
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Test display_of_symbols on travis.
Install udrawgraph on travis (hets depends on it, now).
Merge branch 'master', remote-tracking branch 'origin' into CRUD
ia32-libs dependency on travis.
ia32-libs-multiarch dependency on travis.
This seems to repair dependencies for installation of hets on travis.
Corrected universe repository URL.
Test with main, restricted and multiverse ubuntu repositories.
change development to ruby 2.0
Merge branch 'master' into CRUD