landing: "Merging With" --> "Merging with" (#2505)
Merge pull request #2520 from Stanford-Online/sef-2505-edx-readme-homepage

landing: "Merging With" --> "Merging with" (#2505) -- MASTER
landing: "edX Platform" --> "EdX Platform" (#2505)
Merge pull request #2523 from Stanford-Online/sef-2505-edx-readme-homepage

landing: "edX Platform" --> "EdX Platform" (#2505) -- MASTER
Merge branch 'master' of https://github.com/Stanford-Online/class2go
Initial version of tidied grader

Initial version of tidied grader
Merge pull request #14 from uwacsp/dglance-grader

Clean-up of grader software