Add configuration file for modulesync

https://github.com/puppetlabs/modulesync
Sync files
Merge pull request #114 from cmurphy/master

Start synchronizing module files
Update .sync.yml to support new .travis.yml configs
Synchronize .travis.yml
Update Gemfile for .travis.yml defaults
Merge pull request #117 from cmurphy/master

Synchronize .travis.yml