added responsive sizing and max-height to geomarker-form and show
fixed loading/reloading of various geomarker forms after switching id to class
added screen width detection on loading of show to determine what version of attached images to load
added sized versions to image_uploader and set geomarker show to display different versions based upon window width at time of load
styled options and close buttons in geomarker shows, as well as options slidedown menu
Merge branch 'master' of https://github.com/michaelsharpe/hashmap

merging responsive_overlay_divs into master and pushing to origin, pulling first