Fix the replacement marker for the certificate link, and call the correct certificate link method.
Alphabetize the replacement marker list
Passing grade is on the credit, not the quiz.
missing docblock
Merge pull request #23 from nburka/missing-docblock

missing docblock
Merge pull request #22 from isaacgrant/fix-credit-complete-email

CME Credit Complete Email Fixes
Make the container visible for certificates
Merge pull request #24 from nburka/container-for-certificates

Make the container visible for certificates