added template, changed to support multiple features in one menu. added buildMenuAjax - a function called on success of ajax requests
added template, changed to support multiple features in one menu. added buildMenuAjax - a function called on success of ajax requests

Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode