Updated docker dev settings to handle youtube syncing
Updated docker dev settings to handle youtube syncing

The new system doesn't try to do HTTPS callbacks, which won't work for
dev.  It also adds support for a local settings file that we can use
to store youtube credentials.

pculture/unisubs,pculture/unisubs,wevoice/wesub,eloquence/unisubs,wevoice/wesub,wevoice/wesub,norayr/unisubs,ofer43211/unisubs,ReachingOut/unisubs,pculture/unisubs,eloquence/unisubs,wevoice/wesub,norayr/unisubs,eloquence/unisubs,ofer43211/unisubs,ofer43211/unisubs,ReachingOut/unisubs,ReachingOut/unisubs,norayr/unisubs,eloquence/unisubs,pculture/unisubs,norayr/unisubs,ReachingOut/unisubs,ofer43211/unisubs