Optional Dependency Injection syntax with $ and support for Travis testing

• chore(cleanup): Package.json cleaned up
• fix(package): Invalid json
• bump(1.0.3): Fixed Package.json, tests and travis
• feat(optional): Optional Dependency Injection syntax with $
• chore(tests): Travis
• chore(cleanup): JSHint and Editor config
• fix(travis): Tests
• chore(package): NPM Package Keywords
• hotfix(package): JSON