In order for clearance integration tests to work on linux systems (as used by tddium) you need to include all the integration helper files explicity since the sort order on the linux systems is not the same as on mac systems, and without it all specs will fail.
Update rails gem versions in Appraisals to use latest stable releases: 3.2.10, 3.1.9, 3.0.18
Extend copyright year through 2013
Point to correct gemfiles in travis.yml config