Preparing for 0.1.0 release

Changes:

- add Rubocop to enforce Ruby coding style
- add Travis for continuous integration (Ruby 1.9.3 and 2.0.0 supported)
- expand the `run` binary into `flash` that can have sub commands like (`clone`, `info` and `run`)
- improved flash commands code structure
- add base specs support 
- add minimal documentation

Thanks to my top contributor @ingo86