Update changelog.
Update changelog.

matthewdupre/felix,neiljerram/felix,matthewdupre/felix,neiljerram/felix,neiljerram/felix,alexhersh/calico,neiljerram/felix,TrimBiggs/calico,Metaswitch/calico,Metaswitch/calico,alexhersh/calico,TrimBiggs/calico