install: Changed registration error message
install: Changed registration error message

Since this appears to be a rather common error message, we're changing
this manually. Future error message overhaul still coming.

andrewjcasal/koding,jack89129/koding,cihangir/koding,gokmen/koding,gokmen/koding,alex-ionochkin/koding,gokmen/koding,koding/koding,cihangir/koding,mertaytore/koding,sinan/koding,acbodine/koding,mertaytore/koding,drewsetski/koding,alex-ionochkin/koding,alex-ionochkin/koding,kwagdy/koding-1,usirin/koding,szkl/koding,rjeczalik/koding,cihangir/koding,szkl/koding,koding/koding,andrewjcasal/koding,kwagdy/koding-1,acbodine/koding,acbodine/koding,jack89129/koding,cihangir/koding,drewsetski/koding,rjeczalik/koding,gokmen/koding,kwagdy/koding-1,sinan/koding,rjeczalik/koding,rjeczalik/koding,drewsetski/koding,mertaytore/koding,usirin/koding,cihangir/koding,mertaytore/koding,gokmen/koding,kwagdy/koding-1,kwagdy/koding-1,szkl/koding,szkl/koding,jack89129/koding,jack89129/koding,acbodine/koding,rjeczalik/koding,andrewjcasal/koding,mertaytore/koding,alex-ionochkin/koding,jack89129/koding,rjeczalik/koding,gokmen/koding,jack89129/koding,koding/koding,kwagdy/koding-1,acbodine/koding,gokmen/koding,cihangir/koding,gokmen/koding,alex-ionochkin/koding,acbodine/koding,szkl/koding,usirin/koding,sinan/koding,szkl/koding,acbodine/koding,usirin/koding,koding/koding,mertaytore/koding,jack89129/koding,rjeczalik/koding,cihangir/koding,mertaytore/koding,usirin/koding,cihangir/koding,sinan/koding,andrewjcasal/koding,koding/koding,kwagdy/koding-1,kwagdy/koding-1,sinan/koding,andrewjcasal/koding,szkl/koding,alex-ionochkin/koding,drewsetski/koding,szkl/koding,koding/koding,andrewjcasal/koding,mertaytore/koding,alex-ionochkin/koding,acbodine/koding,sinan/koding,sinan/koding,koding/koding,andrewjcasal/koding,drewsetski/koding,usirin/koding,usirin/koding,sinan/koding,alex-ionochkin/koding,drewsetski/koding,usirin/koding,drewsetski/koding,drewsetski/koding,rjeczalik/koding,koding/koding,andrewjcasal/koding,jack89129/koding