Merge branch 'develop'

README.md

docs/install.md

docs/install.rst

docs/mra_reference.md

docs/mra_reference.rst

setup.py

src/default_line.sld

src/default_point.sld

src/default_polygon.sld

src/mapfile.py

src/mra.py

src/mra.yaml.sample

src/pyxml.py

src/server.py

src/stores.py

src/templates/response.html

src/tools.py

src/webapp.py