make it easier to launch lifter ui
added lifter monitor command
patched dockerfilebuilder - check for type
Merge pull request #215 from willchen90/master

fixed bug in docker init: type checking in prepDockerFile function
fixed global dependencies and removed console log from dockerfileBuilder
Merge pull request #217 from willchen90/master

fixed global dependencies and removed console log from dockerfileBuilder
checks the status of a vm before giving ssh instructions, closes #170
Merge pull request #219 from youreddy/checkVM

checks the status of a vm before giving ssh instructions, closes #170