0.2.5

• Fix dependency files push (gemnasium df push)
• Add --files option to df push, and make "df push" and "eval" more consistent
• Send Revision and Branch headrs (required to use auto-update with local projects, not hosted on github)
• New command: "env". Displays the env vars used by gemnasium
• Check project revision before running auto-update
• New debian/ubuntu apt repository