heatmap improvements for #1036 #1037 detect stale Solr request by comparing the map extent in the Solr query to the current map extent. fixed off by one error that was causing one too many classifications to be created, made hottest color incorrect. added light gray for lowest level cells in heatmap.
heatmap improvements for #1036 #1037
detect stale Solr request by comparing the map extent in the Solr query to the current map extent.
fixed off by one error that was causing one too many classifications to be created, made hottest color incorrect.
added light gray for lowest level cells in heatmap.

rchen152/Japan-Digital-Archive,horak/Japan-Digital-Archive,jcuanm/Japan-Digital-Archive,rchen152/Japan-Digital-Archive,jcuanm/Japan-Digital-Archive,jcuanm/Japan-Digital-Archive,jcuanm/Japan-Digital-Archive,rchen152/Japan-Digital-Archive,horak/Japan-Digital-Archive,rchen152/Japan-Digital-Archive,jcuanm/Japan-Digital-Archive,rchen152/Japan-Digital-Archive,horak/Japan-Digital-Archive,horak/Japan-Digital-Archive,rchen152/Japan-Digital-Archive,jcuanm/Japan-Digital-Archive,rchen152/Japan-Digital-Archive,horak/Japan-Digital-Archive,horak/Japan-Digital-Archive,horak/Japan-Digital-Archive,jcuanm/Japan-Digital-Archive