Travis: Don't test on Ruby 1.8 (it's deprecated, and it breaks the build)
Switch from the test-construct gem (deprecated) to test_construct
Merge remote-tracking branch 'upstream/master'
Merge pull request #71 from thenickperson/master

Merging this one in following discussions on #80.
Removed libnotify which seems to be causing build errors.
Merge branch 'master' of github.com:technicalpickles/homesick