creates a redirect link from portal to oma . incoming links look like this : http://mutationassessor.org/?cm=var&var=17,7517830,g,c&fts=all outgoing links look like this : omaredirect.do?path = / & cm = var & var = 17,7517830 , g , c & fts = all concode_field_sep String OMA_REDIRECT_LINK concode_elem_sep String SITE_PARAM concode_field_sep String removePath concode_elem_sep String conditionallyPrependHttp concode_elem_sep String createOmaLink concode_elem_sep String createQueryString concode_elem_sep HashMap<String,String> getParameterMap concode_elem_sep ArrayList<String> getKeyList concode_elem_sep String getDelimiter