Change the way 'do_redirect' flag is passed into WizardView

This change eliminates the need to have a specific url for each
combination of optional parameters passed to WizardView, thus making
possible to pass more than optional parameter to WizardView.

Change-Id: Id5a636d006a3a1170d76c617083f8641aaf1a3eb
Add last step to manage redirect on form submission

If checked - stay at app catalog, go to the environment details otherwise

Implements blueprint add-return-to-environment-checkbox

Change-Id: Ifc1d78f003ede6638e66eac0762e6552a3d6df3e
Merge "Change the way 'do_redirect' flag is passed into WizardView"
Merge "Add last step to manage redirect on form submission"