Test display_of_symbols on travis.
Install udrawgraph on travis (hets depends on it, now).
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.
try udrawgraph as direct dependency
install i386-libs manually, working in a test-repo in travis
Rails updated
Other gems updated
Using latest version of inherited_resources
Prevent sending mail to "*@example.com".
Test mail transmission properly.
Gems updated
Switched from .rvmrc to .ruby-version and .ruby-gemset
Moved jquery-rails into asset group.
Merge branch 'master' into display_of_axioms