Uncomment thumbnail tests
Decorate test functions that require Pillow JPEG support
actually look for an image to verify that a thumbnail has been generated
fix enrollment issue in instructor dash (ECOM-776)
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.
variable name error

The variable name --- `dist` error
`dist` = {}  will cover `dist = grades.answer_distributions(course.id)`
Add header row to email opt in list; add default date
fix location revision error for multi parent draft
PLAT-332
added the course price in the course about page
Separate verification / payment flow.
Combine payment and intro step
Use current full name as placeholder text
ECOM-728 updated dashboard course banners so all types of course are now supported as per the new design. Included some other small tweaks to other text on the page in consultation with AndyWaldrop
Inline underscore templates; add pre render step
Remove webcam capture approval button (checkmark)
Add a verification reminder to order confirmation emails
Fix unit test failure due to stale urls.py
Positive filtering which steps can be skipped.