increase 9px font size on the turnitin notification
increase 9px font size on the turnitin notification

Refs: CNVS-26580

test plan:
setting the stage:
- as a teacher using old or new ui
- ensure that "turnitin" is configured under the account settings
  example: http://screencast.com/t/BQfGlThV9 (in addition to checking
  the box you will need to scroll down and configure the turnitin
  settings - info inside gollum under "other services")
- next create an assignment that has turnitin enabled and file uploads
  example: http://screencast.com/t/QzEHfjEKoO

setting the stage part two:
- as a student that is enrolled in the above course
- submit an assignment that is uploaded (this submission needs to
  contain a significant amount of content that you have pulled
  from let's say... wikipedia)

final steps:
- as the teacher navigate to speedgrader to view the above student
  submission - it should look similar to this example:
  http://screencast.com/t/2fT0zR4KU
- font size is now our minimum of 12px vs the 9px and lastly it is
  set using the rem font translation so it can endlarge if the
  user enlarges the browser font from medium to large or very large

Change-Id: If70cbc202b5ad6b5fdab1a975024230552f2f5c7
Reviewed-on: https://gerrit.instructure.com/71117
Tested-by: Jenkins
Reviewed-by: Chris Hart <b82b40b84a2f06957ec9caf1768340bd6b929cc4@instructure.com>
Product-Review: Chris Hart <b82b40b84a2f06957ec9caf1768340bd6b929cc4@instructure.com>
QA-Review: Myller de Araujo <e5c7c5e1b7f2ce5e9870cc98ec52b20b3006cb48@instructure.com>

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