fgm/paragraphs_views: WIP on a Views formatter and widget to use an entityreference field as a source of dynamic content within a paragraph.

Frederic G. MARAND 25afeb999c First commit: skeleton in place.		%!s(int64=7) %!d(string=hai) anos
..
Plugin	25afeb999c First commit: skeleton in place.	%!s(int64=7) %!d(string=hai) anos