Use python3-software-properties
Use python3-software-properties

Looks like the name changed for Trusty
See http://packages.ubuntu.com/precise/python/python-software-properties
and http://packages.ubuntu.com/trusty/python/python3-software-properties

dracos/travis-cookbooks,Acidburn0zzz/travis-cookbooks,Distelli/travis-cookbooks,Acidburn0zzz/travis-cookbooks,Zarthus/travis-cookbooks,dracos/travis-cookbooks,Distelli/travis-cookbooks,gavioto/travis-cookbooks,ljharb/travis-cookbooks,Distelli/travis-cookbooks,gavioto/travis-cookbooks,ardock/travis-cookbooks,travis-ci/travis-cookbooks,ardock/travis-cookbooks,dracos/travis-cookbooks,ljharb/travis-cookbooks,Acidburn0zzz/travis-cookbooks,gavioto/travis-cookbooks,spurti-chopra/travis-cookbooks,Zarthus/travis-cookbooks,gavioto/travis-cookbooks,Distelli/travis-cookbooks,spurti-chopra/travis-cookbooks,ardock/travis-cookbooks,ardock/travis-cookbooks,Zarthus/travis-cookbooks,Zarthus/travis-cookbooks,ljharb/travis-cookbooks,travis-ci/travis-cookbooks,spurti-chopra/travis-cookbooks,travis-ci/travis-cookbooks,dracos/travis-cookbooks,Acidburn0zzz/travis-cookbooks