Restore the 'debug.js' script
Fix use of current_page.data.scripts

Also don't load duplicates in current_page.data.styles/scripts
Add docs for snap.offset
Link to Gitter chat from pointer event warning
Move docs sections up out of sections dir
config.yml: activate directory_indexes
Separate snap, restrict, inertia, autoScroll
source/docs/_action_optoins: update
Move docs into submodule