fix enrollment issue in instructor dash (ECOM-776)
Preserve the contribution amount specified on the track selection page.
Do a better job translating "Program Manager"
Merge pull request #6310 from edx/studio-translate-program-manager

Do a better job translating "Program Manager"
Send confirmation email on successful photo submission
Merge pull request #6293 from edx/will/set-donation-amount

Preserve the contribution amount specified on the track selection page.
Add a test of pure xblock and xmodule event publishing
Fix PureSystem so that runtime.publish() works for a pure XBlock.

Fix extracted from https://github.com/edx/edx-platform/pull/6035.
Merge pull request #6311 from edx/renzo/photo-submission-confirmation-email

Send confirmation email on successful photo submission
Remove Solano artifacts, Solano-only logic.
Merge pull request #6209 from edx/plat/fix-pure-system

Fix PureSystem so that runtime.publish() works for a pure XBlock.
Merge pull request #6231 from edx/adam/fix-unenroll-enroll-inst-dash

fix enrollment issue in instructor dash (ECOM-776)
Merge pull request #6324 from edx/benp/remove-tddium

Remove Solano artifacts, Solano-only logic.
Fix get_courses to handle inflight changes
more rigorously.