Merge pull request #2804 from raydavis/qawip

QA CLC-4083 Use relative time to expire cache at 8am tomorrow
CLC-4099 - Updated Canvas::RefreshAllCampusData#refresh_existing_term_sections so that it filters out sections without an SIS Section ID present
Merge pull request #2809 from redconfetti/QA-CLC-4099-incremental-refresh-bug

[QA] CLC-4099 - Fix bug with sections missing SIS Section ID in incremental refresh script
CLC-4026 Re-enable RegStatus