WPS: Allowing optional input parameters of arbitrary type and LiteralData without a default value.
WPS: Disabling incorrect XML encoding of the ows:Metadata element.
Fixing a typo in a comment.
Merge remote branch 'upstream/wps_10'
Update .travis.yml

Adding configuration with various Django versions.
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Removing "upgrade" in EOxServer installation step that would have removed and reinstalled Django as well.
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Adding Django 1.4 to the build matrix
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Added IRC notifications on freenode.
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Using a venv local install by removing `sudo`
Fixing a bug in the 'eoxs_eoid_list' command.
Adding possiblity to insert vector cloud masks during the commandline registration.
Update .travis.yml

Trying pip to install GDAL. Also provide versioned GDAL install.
Also allow configuration of the DB via the DB anv variable.
New autotest version
Enlarging too small CharFields of the coverage RangeType model.
CLI: adding new dataset series mamangement commands.
CLI: adding new dataset mamangement commands.
CLI: renaming range-type management commands.
CLI: adding bacward compatibility notes to commands' help.
CLI: Adding EOID checking commands.
CLI: adding data-series linking/unlinking commands.