Migrating to collections_local_copy
Copying generic template tags to fle_utils
Getting generic template tags from fle_utils, deleting from distributed app.
Fixing two distributed app bugs.
Moving khan-lite to be a generic, shared js (not distributed app).
Referencing generic khan-lite.js, removing old.
Add missing kalite.facility references, generalize central url imports.
Fixing missing static files, fully qualify import package paths.