(version 1.3.4 as of this commit)

This commit is intended to close INCR-8 issue (see https://openedx.atlassian.net/browse/INCR-8 )

This upgrades DOT by reverting the revert.

This reverts commit 4d8b9c36

ARCH-180

There was an issue with migrations on sandboxes.

This reverts commit 58f6e925

This also introduces a model for persisting organization-based filters on
a per-application basis. See openedx/core/djangoapps/oauth_dispatch/docs/decisions/0007-include-organizations-in-tokens.rst
for additional details.

This reverts commit a7fa0c21.

The problem we were having with paver 1.2.4 has been fixed and so we can go back to using the mainline paver now.

This has the effect of making the observer poll less regularly, which
allows developers to choose between rapid asset updates and resource
usage.

Due to this warning when trying to install requirements from github:

DEPRECATION: Uninstalling a distutils installed project (path.py) has been deprecated and will be removed in a future version. This is due to the fact that uninstalling a distutils project will only partially uninstall the project.

add script to upload/download pip cache directories from S3

update all-tests.sh to use pip-download-cache from S3

update pip-accel to version 0.22