- fix reading/writing variable $this->dispval in getDisplayValues() and   setDisplayValues() - added common constants DISTANCE_AUTO and RANGE_AUTO
- fix reading/writing variable $this->dispval in getDisplayValues() and
  setDisplayValues()
- added common constants DISTANCE_AUTO and RANGE_AUTO

git-svn-id: 526f3b90ad6d9b1dfe840af828070ca3d99521ac@6158 d2cacbed-c0f6-0310-851a-9dad52fc623a

johannes85/core