Gym usage

[dorthrithil]

• [ ] Add "old" Property to lines and Topo images
• [ ] Add a "reset" action to set an area old
• [ ] Old items are not shown in area by default
• [ ] Additional ranking that is restricted to the last X weeks
• [ ] Boulder add workflow that makes it super fast to add new lines
• [ ] Possibility to add custom gym grading scales
• [ ] Add new translation that translates words like e.g. "Crag" to "Gym"
• [ ] tbc

[dorthrithil]

@PeterGrabowitz any additional ideas?

[BlobbyBob]

Additional features:

• [ ] Different colors for lines
• [ ] Optionally remove a level of regional hierarchy (related to #97)