legacy: new webinterfaces registry

* Adds new registry for legacy webinterfaces.  (closes #2239)

* NOTE Adds PendingDeprecationWarning for *ALL* legacy pages.

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
deposit: form.js field modified fix

* Allows fields such as multi-select to properly get the values.

Signed-off-by: Javier Martin Montull <javier.martin.montull@cern.ch>
base: build.js improvement

* Reuses `settings.js` configuration to avoid redundancy.

Signed-off-by: Javier Martin Montull <javier.martin.montull@cern.ch>
global: removal of ZENODO mentions

* Removes mentions of ZENODO from licence and templates.  (closes #2371)

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>