Show latitude and longitude

I removed location field a few patches back, so show these instead
Activate login
Set admin by default to false
Correct password field
getAuth method
Use the authenticator from the session

The authenticator keeps track of the currently logged in user. If we use
different instances in the FlybookUI (which is managed by the
threadlocal thingy) and in the components, we can't have logins
Merge remote-tracking branch 'origin/master'