Merge branch 'release'
Merge branch 'develop'
CHG: created version 2.5.3
Merge branch 'develop' of https://github.com/FACT-Finder/FACT-Finder-PHP-Framework into develop
Merge branch 'develop' into release
Merge branch 'master' into release
CHG: added releasenotes and increase to version 2.5.4
Merge branch 'develop' of https://github.com/FACT-Finder/FACT-Finder-PHP-Framework into develop
Merge branch 'release' into develop
Add version-specific SCIC adapters

There are now version- and interface-specific SCIC adapters. The XML- and JSON-variants do not differ, but we need to change the action from SCIC.ff to Tracking.ff from FF 6.8 onward.
Merge branch 'develop' into release
Add release note and bump version number
Merge branch 'release' into develop