1st draft external graders doc
External Graders First Review Draft
Use the publish() api from xblock.runtime.Runtime
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From Alison’s input
Merge pull request #2309 from edx/jorr/feature/use-xblock-publish-api

Use the publish() api from xblock.runtime.Runtime
Merge remote-tracking branch 'upstream/master'
Merge pull request #2354 from edx/markhoeber/documentation/LMS-1601

Markhoeber/documentation/lms 1601
Merge branch 'master' of https://github.com/edx/edx-platform