refactored the new tool request form

The new tool form uploads the files as forms to an unsecured end-point
that writes the files into the user's home directory. The tool request
is then sent to a secured tool request endpoint.
Merge branch 'master' of https://github.com/iPlantCollaborativeOpenSource/ui-applications-module

Conflicts:
	src/main/java/org/iplantc/core/uiapps/client/views/NewToolRequestFormView.ui.xml