Uncomment thumbnail tests
Decorate test functions that require Pillow JPEG support
actually look for an image to verify that a thumbnail has been generated
Mock out the underlying segment-io call.

TE-532
Fix another analytics.init secret error message (noise).
Pipe analytics client output to stdout instead of devnull.
set position to default value if POST request don't have position argument
TNL-922
Merge pull request #6210 from edx/zub/bugfix/tnl-922-key-error-getting-position

set position to default value if POST request don't have position argume...
Add header row to email opt in list; add default date
fix location revision error for multi parent draft
PLAT-332
fix preview link generation for course reruns (PLAT-336)
Merge pull request #6233 from edx/adam/fix-preview-courseruns

fix preview link generation for course reruns (PLAT-336)
Merge pull request #6245 from edx/will/email-opt-in-updates

Add header row to email opt in list; add default date
added the course price in the course about page
Separate verification / payment flow.
Merge pull request #6247 from edx/will/update-verified-requirements

Separate verification / payment flow.
Combine payment and intro step
Merge pull request #6240 from edx/benp/fix-analytics-init

Mock out the underlying segment-io call.
Use current full name as placeholder text
Merge pull request #6263 from edx/renzo/full-name-placeholder

Use current full name as placeholder text