Changes the Modal Height when used for OpenAssessment Editing
Merge pull request #483 from edx/grady/modal-height

Changes the Modal Height when used for OpenAssessment Editing
Merge remote-tracking branch 'origin/authoring' into will/js-refactor-assessment-editing

Conflicts:
	openassessment/xblock/static/css/openassessment.css
	openassessment/xblock/static/js/openassessment.min.js
	openassessment/xblock/static/js/src/oa_edit.js