Added seeding W3DS getTile call when registering vertical curtain data
Solved some issues during vertical curtain seed in registration
Added new browse layer attribute 'contains_volumes' to allow registration of cube coverages. Implemented registration of cube coverages
Merge pull request #7 from v-manip/volumes

Volumes
Merge and configuration for auth and authz server
Updated browselayer interface to allow adding layers with volume data, adapted ingestion for volumes disabling seeding command as volume data is not seeded
Added check to see if curtain goes over antimeridian to normalize it
added python-nibabel for volumetric file formats
fixed request
Merge branch 'master' of github.com:v-manip/ngeo-b

Conflicts:
	ngeo_browse_server/control/ingest/__init__.py
Added necessary packages to installations scripts
Merged packages which were added
Removed uniqueness for time and layer to allow volume data to be registered at the same time, which is necessary for a use case. This method has to be reviewed and evaluated. Best solution would be probably to allow creation of a layer from a set of browse layers in order to solve this use case
Added new headers necessary for CORS
Added some apache headers to configuration and added the vertical reference grid decoder parameter as optional
Added some apache config changes in install script and changed format of request to mesh cache during registration of curtains
Changed behaviour of cache creation for volumes and curtain browses
Removed specific seeding of volume and curtain browses on registration
Added vmnaip installation script
Set shibboleth option to false