Merge pull request #4 from jharveysmith/trusty

Add support for ubuntu 14.04 trusty
Merge pull request #5 from jharveysmith/trusty

Change cookbook name in README.md, bump wal-e version, bump cookbook ver...
Merge pull request #6 from jharveysmith/trusty

Fix some wal-e deployment bugs
Add a timeout to the wal_e cronjob