Fixed :through usages so that the through model is only included in the query if there is an :origin passed in (Only if it is a geokit search)
Fixed :through usages so that the through model is only included in the query if there is an :origin passed in (Only if it is a geokit search)

kidzui/geokit-rails3,globalworks/geokit-rails3,Spindle-Inc/geokit-rails,BlinkerGit/geokit-rails,bellycard/geokit-acts-as-mappable,jensb/geokit-rails,geokit/geokit-rails3,geokit/geokit-rails,jlecour/geokit-rails,zeke/geokit-rails