Global

# TODO

**NOTE** ALL OF THESE CHANGES WILL ONLY BE NOTICED WHEN THE CONFIG OPTION IS SET
```
"Global": true
```
**ADD**
 - [x] Add a config option
 - [ ] List meshlocals on the `/about` page
 - [ ] A message on the `/about` page to add their meshlocal

**REMOVE**
 - [x] Remove add node button from global maps
 - [x] Remove legend from global maps
 - [x] Remove search
 - [x] Remove distance calculator
 - [x] Remove filter

**CHANGE**
- [ ] Way nodes are viewed.
- [x] If someone hits the "edit" button, it should take them to the parent map

This list will be updated when more features are added/removed or when they're thought of. This PR should not be pulled into master until *every* one of these features are completed.