Merging postreleasefix/104 to master
Merging postreleasefix/104 to master

* postreleasefix/104:
  Add method to insert a new node into an existing menu - ENSWEB-5641

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