Use data dir from course.
Remove import.
Updating SciPy
Revert "Merge pull request #4545 from edx/renzo/bi-analytics-overhaul"

This reverts commit 252038c37664f90d5967f93454a6f23a0938258e, reversing
changes made to 7caf8c53b1a32ded0da4a50429f397efb7ba1ffc.
Merge branch 'release'
Release notes 7-30
Merge pull request #4596 from edx/sylvia/docs/relnotes_7_30

Sylvia/docs/relnotes 7 30
Serialize using to_json on fields
Count & compare db hits between old and split mongo
LMS-11090
check 0 sends means 0 not ignore
Move test_path_to_location to mixed testing
Convert toc test to use mongo not xml ms
Included adding a general create_toy_course and create_sample_course method for tests
Test both split and old mongo
fixup! Test both split and old mongo
fixup! Count & compare db hits between old and split mongo LMS-11090
Fix release notes index
Merge pull request #4618 from edx/markhoeber-release-notes-index

Fix release notes index
Fixed image paths
Merge pull request #4619 from edx/markhoeber-release-notes-image-fix

Fixed image paths
Merge pull request #4527 from edx/oleg/xml-course-transcripts-fix

Fix transcripts in XML course when no static_asset_path is set.