Improved and refactored calls to data services
Removed remote settings view

git-svn-id: https://plugins.svn.wordpress.org/hotspots/trunk@838308 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated readme

git-svn-id: https://plugins.svn.wordpress.org/hotspots/trunk@838311 b8457f37-d9ea-0310-8a92-e5e31aec5664