Fixed: Additional keys in default Info.plist templates

This fix adds two keys to the default Info.plist in the capp gen template for NibApplication, "CPBundleVersion" and "CPHumanReadableCopyright". These are introduced primarily to fill out the fields in the default "About" panel. (see #1896)
Merge pull request #1897 from ahankinson/fix-info-plist-templates

Fixed: Additional keys in default Info.plist templates