New features

#2953492: Make use of Plugin Manager for extending tag cloud styles
#2954829: Add new index based tag cloud style

Important

#2954101: Routing cleanup
Note: menu items paths were changed.
Changed entities paths for Contributor, Keyword and Reference from /admin/content/bibcite/* pattern to /bibcite/*.
Changed path for managing references types.

New feature:

• Popup Tooltip for events

Initial completed backend release including 8.x-5.1 bug fix. All HTML layouts on the initial theme work, including mobile views and menus. Needs some CSS tweaks

• Added no result text configuration
• Added to status report
• Updated readme file
• Fixed summary logic