Fix an issue with files from an external service.
Fix detail view input file display bug.
Create an empty view stack when using the View Controller push method for the first time.
Add a "close-on-tap" property to Popover
Put main form input-file into its own template.
Add currentURL to the URLDelegate and allow View Controllers to access it.
Allow Form to take a view controller and delegate as options and process clicks through the proper URL delegate.
Small code cleanup.