Merge pull request #290 from gem/remove-submodules

Move Leaflet, Leaflet.draw and wax from submodules to our static dir
Update GeoNode version to 2.0.1 to be aligned with production
Add fixed versions for Photologue and South as in production
Sort dependencies alphabetically
Update README.rst
Merge pull request #291 from gem/wrong-geonode-pip

Update pip packages versions to be aligned with production
Remove files with CRLF
Add files with LF
Merge pull request #292 from gem/crlf

Convert external libraries files with CRLF line endings to LF
isolate risk and hazard category bug
Add links to the help website
Add missing explore help page
Change <title> content in some applications
Move non javascript code in the right block (GRV)
Move non javascript code in the right block (IRV)
Small cleanups
Add social menu
hide the help page on page load
remove the cover div
Add icons and fix layout issue with share menu