Merge remote-tracking branch 'origin/99-esgf-session-authentication'
Merge remote-tracking branch 'origin/bug#168_fix_geoweb_testing'
Pass certificate to POST request

Even though it doesn't seem to required it pass the user certificate
when registering for a dataset.
Updated geojs
Merge remote-tracking branch 'origin/update_geojs' into next
Merge remote-tracking branch 'origin/169-cert-on-post' into next