Updating submodule.
Fixing wrong size check.

- Fixing reverted comparison.
- Adding details to the exception message.
updating autotest.
Adding fix for 'maxsize' config. If it is not set, then skip the test if the size of the coverage fits.
Adding missing nil-value descriptions in multipart responses. Currently only the nil-values of the first band is used, due to a bug in MapServer. PEP 8 style conventions.
Updating autotest.
Fixing typos.
PEP 8 enforcement.
Adding WPS test case to ignore list.
Fixing test setup for Ubuntu jenkins slaves.
Fixing patching of django libgeos.py
Fixing get_version function + PEP8ing it
Merge branch '0.4'

Conflicts:
	eoxserver/services/gdal/wcs/referenceable_dataset_renderer.py