fixed datahub menu counts. append datahubs rather than prepend - fixes bug where user data doesn't get moved to the top of the menu when a datahub are the first thing in the menu
fixed datahub menu counts. append datahubs rather than prepend - fixes bug where user data doesn't get moved to the top of the menu when a datahub are the first thing in the menu

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