Merge branch 'develop'
Merge branch 'develop'
Merge branch 'develop'
Merge branch 'develop'
Merge branch 'develop'
clean cache at upgrade
minor corrections in the UPGRADE docu
Merge branch 'develop'
Merge branch 'develop'
fixing newlines in script
Update to the tag automation tag searches

- A colon in the tag search tag will render the tag search invalid. Since colons are commonly used in tag names, this poses an issue - users should use a semi-colon instead, which gets automatically converted to a colon.
Merge branch 'hotfix-2.2.1'
Deleting tags fixed

- now it correctly deletes tags
- also deletes all EventTags
Merge branch 'hotfix-2.2.1'
Changes to the tagging

- tags can now be set correctly for all events
- some UI changes to the tags
- moved the deletion of all event_tags when a tag gets deleted to beforefilter
Merge branch 'hotfix-2.2.1'
correct unneeded $(echo $var)
Merge branch 'hotfix/2.2.2' into develop

Conflicts:
	INSTALL/UPGRADE.SH