minor changes onbutton states
nothing
app.iml changes
Access LocationManager.GPS_PROVIDER through static class
Update library versions
Enable GPS if not already enabled
Back up and running merge and refactored huzzah
Submit to Firebase on submit_message
Added ability to see messages
Minor FirebaseUtils refactor
Remove dead code comments, whitespace
Standardize on Node class and LatLng points
Extra null checks
Rename buttons, refactor getIsClose
Move color logic into Node class
Merge myLocation and newLocation to one variable
More null checks for *Proximity methods
Refactor check*Proximity
Button visibility, color names, locationListener as class variable
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