Migration to symphony/console implementation
Made old code stand out
Added rollback command
Removed old code
Added default web root to rollback command
Updated readme with minor changes
Simplified uses
Added new exception for file errors; Added DeployHistory tests
Readme tweak
Added 3 new tests; Updated readme with config option
Adding travis CI
Updated travis CI file; Added lines build status to readme
Merge pull request #6 from firelit/branch-v2

Migration to symphony/console implementation