Update changelog.
Update changelog.

alexhersh/calico,beddari/calico,matthewdupre/felix,kasisnu/calico,alexhersh/calico,Metaswitch/calico,Metaswitch/calico,neiljerram/felix,kasisnu/calico,anortef/calico,neiljerram/felix,anortef/calico,ocadotechnology/calico,beddari/calico,TrimBiggs/calico,TrimBiggs/calico,neiljerram/felix,neiljerram/felix,matthewdupre/felix,ocadotechnology/calico