Faster way to edit a subject visit and/or to add appointments to current visit

changed milestone to %0.13.0

Actions from the cell and extra info:

• See visit details
• Add appointment to visit
• See appointment types of visit

Full date on hover.

Different status tooltips to better describe the status.

added Doing and removed To Do labels

mentioned in commit e91cf898

mentioned in commit bd410622

mentioned in commit 78ed48a7

mentioned in commit 9ea2b5e9

mentioned in merge request !188 (merged)

added Done and removed Doing labels

closed via merge request !188 (merged)

mentioned in commit 96e47449