Some fixes for pylint.
Added TODO.
Small changes.
Added pylint to Travis CI.
Added comment.
Missing blank line.
Fixing redundant argument.
Added PYTHONPATH environment variable to Travis CI.
Temporary don't fail on pylint errors.
Documentation checking.
Documentation fixes.
Added TODOs for later to pylint.
Fixed TODOs.
Line break.
Don't hardcode the names in pylint configuration.
Merge branch 'development' into testing
Added PostGIS support for Travis CI.
Install necessary system packages for PostGIS on Travis CI.
Better script.
Configure Django database testing user.