Add more info to manually created scoring analytics event.
Prevent duplicate submissions on client side by disabling submit button
Add datadog instrumentation
Merge pull request #236 from edx/will/prevent-duplicate-submissions

Prevent duplicate submissions on client side by disabling submit button
Merge pull request #235 from edx/ormsbee/add_more_event_info

Add more info to manually created scoring analytics event.
Make Google font URLs work under HTTPS
Merge pull request #238 from edx/will/protocol-neutral-font-url

Make Google font URLs work under HTTPS
revising visual spacing between step status and icon elements
Merge pull request #237 from edx/will/datadog

Add datadog instrumentation
Merge pull request #239 from edx/talbs/fix-TIM-344

FIX - TIM-344
correcting visual layout of assessment feedback title/collapse and expand UI
Merge pull request #241 from edx/talbs/fix-TIM-408

FIX - TIM-408
correcting font-weight of staff-info title
Merge pull request #242 from edx/talbs/fix-staffinfo-typography

FIX - Staff Info UI Title Display
proofing message UI:
* aligning text to be left-justified
* adjusting color of paragraph copy to inherit from parent
* moving all message styling to _system-feedback.scss partial
Merge pull request #240 from edx/talbs/fix-inline-errors

FIX - Inline Error Message Display
Fix TIM-381: Invisible Self Assessment errors

* Corrects bad div class
* Adds tests to catch this in future
Merge pull request #244 from edx/jrbl/381-self_assessment_errors_invisible

Fix TIM-381: Invisible Self Assessment errors
Updating the Assessment Models
Updating over grading query to be more performant, and select a random submission