fabfile:

Added an extra step to `clean` to delete the geoserver directory...
otherwise it is not really clean.
gs_data/isc_viewer/features/isc_viewer_measure.xml:

Removed field attributes from the isc_viewer layer load file.

We don't want this hard-coded into the xml if the schema changes.
fabfile:

Refactored the geoserver REST API code to be more concise.
Merge pull request #62 from larsbutler/dev-bootstrap-2

Dev bootstrap script, part 2

[r=matley] [f=1220307]
Merge branch 'geonode2-integration' of https://github.com/gem/oq-platform into faultedearth-geonode2