Rubocop: Fixing rainbow gem error

Fixing rubocop error: undefined method `color' for ".":String
Merge pull request #34 from daviddavis/temp/20140124121049

Rubocop: Fixing rainbow gem error
updating gem dependenccy on hammer_cli_foreman
Merge pull request #32 from komidore64/depchange

updating gem dependenccy on hammer_cli_foreman