Title Case for options
Issue #4. Added UI for additional commandline for Docker run command
Issue #4. Minor refactoring
Issue #4. Implement agent-part of Docker custom commandline
Issue #4. Bonus. Similar UI for vagrant command
extract method to common util
Issue #4. pass commands into vagrant up
better logging for not found Vagrantfile
cleanup code
Close #4. Additional commandline options for ```vagrant up``` and ```docker run```