mapedit work

-fixed poi save issue
-fixed save debug return issue
-added featuretype param to mets/gml
-fixed duplicate save poi issue
-added featuretype support in gml reader/writer
-added featuretype support in js/c# for all poi types
-added suppor to load main vs pois at page load
-added better support for reading pois (list items, back end, drawing w/desc, etc)
-fixed issue where pois would save copies of themselves
-added better poi spatial support