Revert "Remove NoVNC from the default enabled services"
Revert "Remove NoVNC from the default enabled services"

Reverting this is probably appropriate because until we can
get Debian/Ubuntu to fix their underlying dependencies. 
It's confusing a lot of people that this is no longer
available

This reverts commit 2bfb9af0c952f59287be4ce684b78cfb710a6105.

Change-Id: Id352db9dcd40bfb5eb771dad42cdf04e0ce72313

HPCHub/devstack,atulpatil301/devstack,mssumanth/devstack,vishnugonela/devstack,vishnugonela/devstack,pczerkas/devstack,upadhyay-prashant/devstack,LoHChina/devstack,thomasem/devstack,openstack-dev/devstack,mmasaki/devstack,samgoon/devstack,parul24/devstack,dtroyer/devstack,flavio-fernandes/devstack,NaokiMiyata/devstack,pacinete/devstack,CloudServer/devstack,Mahito/devstack,group-policy/devstack,sc68cal/devstack,nawawi/openstack,TwinkleChawla/devstack,herrsechs/devstack,mssumanth/devstack,kplus/devstack-moonshot,pombredanne/devstack,avvocatodemarchis/devstack,promptworks/devstack,sequenceiq/devstack,varunarya10/devstack,wenhuizhang/devstack,HPCHub/devstack,noironetworks/devstack,vsham20/devstack,NaokiMiyata/devstack,mmasaki/devstack,ozamiatin/devstack,bq-xiao/devstack,nawawi/openstack,andrewrothstein/devstack,atulpatil301/devstack,herrsechs/devstack,wenhuizhang/devstack,TwinkleChawla/devstack,bswartz/devstack,costingalan/devstack,liuquansheng47/devstack,pacinete/devstack,neerja28/Devstack_GlusterFS,vsham20/devstack,bq-xiao/devstack,samgoon/devstack,thomasem/devstack,Mahito/devstack,j4/devstack,richliu/devstack,LoHChina/devstack,bigswitch/devstack,prithivm/branch01,bswartz/devstack,olivierlemasle/devstack,group-policy/devstack,BSJAIN92/OpenStack,promptworks/devstack,CloudServer/devstack,sc68cal/devstack,eharney/devstack,bljgaurav/openstack-test,rushiagr/devstack,varunarya10/devstack,parul24/devstack,andrewrothstein/devstack,costingalan/devstack,mc2014/devstack,affo/devstack,ozamiatin/devstack,pczerkas/devstack,dtroyer/devstack,liuquansheng47/devstack,richliu/devstack,mc2014/devstack,neerja28/Devstack_GlusterFS,kplus/devstack-moonshot,prithivm/branch01,j4/devstack,sequenceiq/devstack,bigswitch/devstack,noironetworks/devstack,eharney/devstack,avvocatodemarchis/devstack,bljgaurav/openstack-test,pombredanne/devstack,flavio-fernandes/devstack,upadhyay-prashant/devstack,nuxeh/devstack,BSJAIN92/OpenStack,openstack-dev/devstack,dirkmueller/devstack,affo/devstack,dirkmueller/devstack,olivierlemasle/devstack,rushiagr/devstack,nuxeh/devstack