release-2020-04-22

Changes Include:

• Changes the POST SSO Message and username conflict message. [Ticket Link] [PR Link]
• Enable search on video transcripts. [Ticket Link] [PR Link]
• Fix the broken tests. [PR Link]
• Update Version of Xblock Consume LTI. [Ticket Link] [PR Link]
• Statement of Accomplishment Changings. [PR Link]
• Fix error messages for additional fields added by UCSD. [Ticket Link][PR Link]
• Bug FIxes:
  • Added LMS_BASE in Production File. [PR Link]
  • Fixed LMS_BASE url variable in certificate description. [PR Link]