Possible To Change Username

You can now change the username that is shown on the profile from the
settings option. Also deleted the option for adjusting the radius which
caches are shown.
Merge remote-tracking branch 'origin/working' into working

Conflicts:
	src/com/cse/geobook/Profile.java
Merge branch 'working' of https://github.com/CrossIan/GeoBook into working