Merge pull request #135 from gem/hazard-viewer

Hazard viewer - display multiple curves dynamically
Fix bug in the creation of the callback_url, using rstrip to remove slash if present, instead of removing the last character from SITEURL
Merge pull request #136 from gem/fix-callback-url-creation

Fix bug in the creation of the callback_url
Merge pull request #132 from gem/hazard-viewer

Hazard viewer
Forward the HTTP_HOST through our development proxy for GeoServer, so it
will work also if the platform is not on localhost
Merge pull request #137 from gem/geonode2-fix-proxy

Forward the HTTP_HOST through our development proxy for GeoServer
Added field einfo
add bind on all interfaces for django server
Merge pull request #138 from gem/better-error-management

Added field einfo
pip versions are aligned with the packages release
GeoServer is taken from a copy on the GEM FTP aligned with the one released by official GeoNode packages
Add button to display a popup with the error traceback, if a calculation fails
move geoserver data population from a rest-api-style approach to a dump/restore content approach
removed unused imported classes
Changed classifiers
Merge pull request #139 from gem/pip-freeze-versions

pip and geonserver freezed versions
Use popup window instead of alert
Merge branch 'geonode2-integration' into gn2-gs-refact
Use 'pre' tag, until we can properly format the traceback
xmlstarlet installation check added