Updated the year on the copyright
Updated the year on the copyright

adamstrickland/tmuxinator,tmuxinator/tmuxinator,tmuxinator/tmuxinator,tmuxinator/tmuxinator,ethagnawl/tmuxinator,J3RN/tmuxinator,adamstrickland/tmuxinator,ethagnawl/tmuxinator,J3RN/tmuxinator,ethagnawl/tmuxinator,adamstrickland/tmuxinator,J3RN/tmuxinator