Merge pull request #2 from AppScale/testing

Testing
Merge pull request #3 from AppScale/testing

Testing
fix to ensure that instances are terminated on version mismatch error
code cleanup
Merge branch 'fix-ssh-quotes' of github.com:briandrawert/appscale-tools into fix-ssh-quotes
fixed error message
fixed error message
more revision to the error messages
clean up
error formatting corrected
fixed error message
fix error message
Merge pull request #183 from briandrawert/fix-ssh-quotes

Fix ssh quotes