completed data license functions, picture fixes, public profile link

+ menu option "my profile/public profile"
- enlargit log pics
- short date format for some locales
- data license constants
* dont display license-disabled log pics
* delete log pics on declined license instead replacing
+ delete waypoint descriptions on declined license
* no cache desc replacement message if it was empty
+ license-content-disable-function for old-disabled users
+ script to process all old-deleted users due to incompatible license
+ settings for license admin functions and for license disclaimer
- fixed CC license link on english tos page
* update caches.last_modified with changes of additional waypoints
+ XML interface license disclaimer