add entity 'area'
worked on area
- worked on area feature
- bug fixed: picture is not available after editing
changed initialization of all NSStrings
worked on area
worked on area feature:
- mode options
- view behavior
worked on area feature:
- action sheet with draw mode options
- mode line
- mode pin
- mode polygon
worked on area feature:
- prepare persistence layer
- inventory concept
...
worked on area feature:
- add new area icon
worked on area feature