D-Net

[Trunk|Library]: navigationBar.component: Add in sticky navbar id.

[Trunk|Assets]: Add in common-assets folder logo-small-connect.png

[Trunk|Library]: 1. Add a sideBarMenuItem class in menu.ts. 2. Create a new component for sidebar menu.

[Newlinking|Library]

Orcid Results: fix issues
        Add animation when open close divs (basket, metadata review, messages)
    Openaire Results: add authors, hide empty publisher, show filters for other types even if there is error/noresults/loading

[Branch|newlinking]

refactor claimEntities.ts classes
    refactor pages using above classes
Lins Basket:
    crop titles, authors
    increase width
    add upload also in results
    crear all --> clear sources or clear links: put it next to each category
Links Metadata review:...

[Trunk|Library]: Communities Service: Add a subject to keep communities, a method to update them from the API and a method to get subject as Observable

[Library]: Creating a branch to test subjects with singleton services

[Trunk|Library]

Subscribe service:add method getCommunitiesSubscribedTo

[Trunk|Library]

userMini.component: add menu divider above logout, only when there are more menu items

[Trunk|Library]:
1. searchPage.component & advancedSearchPage.component:
goTo() function: use router.navigate instead of location.go (bug fix: error in paging because of false routerLinkActive class)
2. In all search (simple & dataproviders) and advanced search pages:...