Create new package to hold presenter classes
Activate Run menu

Call DataTransfer#newModelRun, which POSTs model to the API's run/new
page.
Rename DataURL#runStatus

Switch to #showModelRun to more closely shadow the API URL.
Remove DataTransfer#makeQueryString

Result = fewer lines of code used.
Store uuid of a submitted run in DataManager

Include getter and setter.
Stage a model run
Store hostname, username and password in DataManager
Launch a model run

Also change DataTransfer#newModelRun to #initModelRun.
Retrieve and store parameters from Run dialog