Added exception handling 

Added more exceptions 

Fixed bug in planner 
We still get en exception from the deployer 

Added converter to project

1. update the string of "u"
2. generate the output with the new json format with Huan

This is used for coverting the current output of planner to be the input for previous version of provisioner.

Split parameter loop into separate gets. It's less efficient but we know exactly when to get a parameter

Split parameter loop into separate gets. It's less efficient but we know exactly when to get a parameter

Input and output of the planner json format

Update the planner files of the hard-coded creation date

2. Make it clear that the parameters named "sshkey" and "guiscript" both refer to the actual file content.
3. Have not had the chance to test it.