enlarge 10px to 12px on course term in course list
enlarge 10px to 12px on course term in course list

Refs: CNVS-26581

test plan:
- as a user using the old _or_ new ui
- navigate to view *all courses*
- the term has been increased from 10px to 12px
- where to look (old ui): http://screencast.com/t/h6yZ2JXi26s
- where to look (new ui): http://screencast.com/t/U7xeHcOR

Change-Id: I38aa5af6bb081c93db15dcdecd416ec326ed768c
Reviewed-on: https://gerrit.instructure.com/72790
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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