mapedit work

-added apply button support for all save types
-tweaks to saving
-cleaned code
-fixed rightclick issue
-handle no coord marker fix
-handle no coord overlay fix
-tested in chrome, ie, safari, firefox
-fixed css/js compatibility issues
-fixed issue where delete overlay would not delete li
-added use search as location button
-added condition to searcher to fix bug
-tweaked seach result fcn to fix redraw bug
-added button convert to overlay
-added more tooltips
-fixed minor searching issue
-optimized searching code
-cleaned code/better comments
-added fcn to add incoming source url to item
-added fcn to convert location point to overlay