fixed geocoder, working on extracting new geomarker errors from invisible iframe
wrote in ability for new form to extract error messages from hidden iframe
formatted error response for improper filetype selection in geomarker creation to be helpful to users
added validation for presence of name and tag_list on new geomarkers, formatted error response
added validations into geomarker edit transaction
Merge branch 'geomarker_validations'

merging in topic branch that incorporates geomarker validations and error messages
fixed font src reference