Prevents slug collisions. Fixes #2671.
Make contentload final output more verbose.
Fixes slug generation for filenames with no "."
Fixes lack of default for related_content in videos.
Prevents navigate from creating an entry in the history when adding a trailing slash.
Merge pull request #2672 from rtibbles/degenerate_slugs

Degenerate slugs
add dynamic_js and dynamic_js to whitelisted paths when we're in
LOCKDOWN mode