Update _widgets.scss

updated .cc-widget-subtitle to fit closer to the design spec
Update calcentral.scss

removed $cc-color-widget-highlight-background as it wasn't really needed
NOJIRA Remove obsolete "possible APIs" doc
The public/dummy directory contains up-to-date sample feeds.
Merge branch 'master' into CLC-2265
Update _widgets.scss

per CLC-2266, we also want to lighten the background color a bit
CLC-2209 Derive Canvas course name from "course_code"
… and treat "name" as a short_description, to match the actual UX
Merge pull request #1348 from jonmhays/CLC-2265

CLC-2265 My Classes subtitles don't match the design spec
CLC-2120 Maintenance Page

Added emergency page, converted to divs.
https://jira.media.berkeley.edu/jira/browse/CLC-2120
[CLC-2269] Friendly block message fixes
Merge pull request #1352 from rhollow/CLC-2120

CLC-2120 Maintenance Page
Merge pull request #1351 from raydavis/raywip

CLC-2209 Derive Canvas course name from "course_code"
Merge pull request #1353 from yuhunglin/CLC-2269

[CLC-2269] Friendly block messages fixes
CLC-2120 - Front-end: Implement new maintenance page
https://jira.media.berkeley.edu/jira/browse/CLC-2120

Use 1 image for both pages.
Merge pull request #1354 from christianv/CLC-2120

CLC-2120 - Front-end: Implement new maintenance page