Improved api call with wp_remote_get
Added errors and failover for empty data cache

git-svn-id: https://plugins.svn.wordpress.org/heritageaction-score-card-member-scores/trunk@770215 b8457f37-d9ea-0310-8a92-e5e31aec5664
increment to 1.0.2

git-svn-id: https://plugins.svn.wordpress.org/heritageaction-score-card-member-scores/trunk@770216 b8457f37-d9ea-0310-8a92-e5e31aec5664