Use submodules instead of github raw
Add some more colours and symbols
Change map help tip apparence
Rewrote form refresh
Revert "Rewrote form refresh"

This reverts commit e18fab881350983ffb2572038ffa16bfc1ee982e.
Pin leaflet version and upgrade backbone
Upgrade backbone forms
Refresh newly created layer with form color and icon
Bind events to DOM after form rendering