D-Net

Fix email's subject and body

Fix the email body for new Community Managers

Fix ngModel for recipients

Add auth option in header for post request

Fix small form for sending emails

1. Add 'sorting' option by 'relevance' or 'date' in advanced search pages for results (publications, datasets, software, orps).

Correcting previous commit:
remove "my-communities" from app routes, too

Create new page "Share in Zenodo" (add componets, routing, menu item, properties)
remove unused my-communities folder

Fix typos in email's html

Search results:
add properly the piwik id
Search/find
pass communityId to filter the results
and piwik id