Fix: #3867 - show locations as well as individuals/families in place hierarchy sidebar

Merge: #3803, Merge: #3706

Fix: #2909 - table prefix cross-platform compatibility

Add spacing around icon in module-list titles

HTML validation

Fix: #3847 - hide internal URL from search-engines

Fix: #3859 - parameter confusion when saving/creating locations

Show duplicate records in consistent order and with numbers

Per-language relationship logic - Fixes: #1206, Fixes: #3115, Fixes: #3819, Fixes: #1236, Fixes: #2331

Fix: #2442 - turn map-links into modules

Fix: #3831 - separate associate/relatives events on the individual-facts-tab

Fix: #3843 - clipboard API only available under HTTPS

Allow custom sender name in emails

Fix: adding new locations

Fix: #995 - add 'share anniversary' feature

Fix: #3617 - add 'share URL' feature

Remove spaces around icons for better alignment

Remove trailing space

UI tweaks

Correct date display (#3806)

Fix: #3217 - allow choice of filename when exporting to GEDCOM file on server

Fix: #3793 - ensure marker remains visible after zoom

Remove unused imports

Merge changes from develop branch

Fix: #3785 - wrong redirect after edit placelocation