gs_data/ghec_viewer/styles:

Added/moved style SLD for ghec_viewer.
gs_data/ghec_viewer/styles:

Added ghec_viewer style files.
gs_data/ghec_viewer/layers:

Added ghec_viewer layer.
gs_data/ghec_viewer/styles:

Removed an obsolete style file.
gs_data/ghec_viewer:

Fixed up layer and style data.
fabfile:

Added `_geoserver_api_from_file` and made the geoserver api utils
a little more useful.
fabfile:

Cleaned up geoserver api calls and added status messages.
fabfile:

Fixed the ghec_viewer geoserver styles. Before, it was totally wrong.