data license - minor changes
added license-decliend replacement picture, new page for license display
additional rotator pictures
Merge branch 'stable'
default options for declined license replacement pics
4822: data privacy improvement, purge log files
added purge script for master/slave db
added more rotator pictures
and removed a duplicate, weak picture similar to the better pano #30
Merge branch 'stable'
data license timing
updated and translated 'verein' page
improved feedback when changing profile details, email or password

After profile detail change, return to the details display.
After email or password is changed, show only success message.
added new oc.de logo statpics
and removed statpics/.htdocs to allow configuring directories
adjusted developer and production system db structure
Merge branch 'stable'
remember users' data licenses for comprehensibility
detail at donations page
resolved merge conflict
new data license timing
fix changelog - new dps is not online yet