Merge branch 'master' into per-object-ui-implementation
Fixes #19
Update Travis CI according to newly named prerequisites script
Correct invoking install_prerequisites command
Merge branch 'per-object-ui-implementation' of github.com:groolot/vilain into per-object-ui-implementation

Conflicts:
	docs/vilain.bib
Merge branch 'master' into per-object-ui-implementation