Fixes #723: Dropped few legacy and unused config variables. Retained those that can be used further.

Fixes #725, #755, #563: Unified authrozation scope request when signin either from Contacts or Calendar module

Fix #790 fix the invalid js selector

See merge request !283

Fixes #522 - vt7 - Picklist Layout Editor

Fixes #537 - vt7 - Search dropdown action

Fix #776: Prevention of default action on click of link was missing leading to double load of filter