sync compiled file with non-FileSystemStorage (cloud storage)

[sharov]

Fix for #608. More general solution than #609. It works with FileSystemStorage, and cloud storages from django-storages package (like S3BotoStorage, S3Boto3Storage and etc).

[coveralls]

Coverage remained the same at 82.451% when pulling 2cbdb72b4f0d171ada17039b8f49c1d2091888ee on sharov:cloud_storage into 4314d1eb7d03a347bd200432d1441dabc0f91e72 on jazzband:master.

[derek-adair]

This issue renders me unable to use this project, any word on this getting merged in?

[andrewshkovskii]

Any updates, questions, notes here?

[tizz98]

Can we get this merged? I'm currently using this monkey patching way outlined here: https://github.com/jazzband/django-pipeline/pull/502#issuecomment-144008114