BL-435 Mark unused strings from old ReaderSetup as unused
Fix BL-783: "Additional Requests" in license overlap the CC logo
Merge pull request #167 from gmartin7/BL-435CleanupUnusedStrings

BL-435 Mark unused strings from old ReaderSetup as unused
Merge pull request #168 from BloomBooks/BL-783-RoomForAdditionalRequests

Fix BL-783: "Additional Requests" in license overlap the CC logo
BL-780 Refine which PDF controls show in Publish view

* Hides "Show Thumbnails" button, which didn't do anything
* Hides sidebar with thumbs
* Enables "Toggle Sidebar" button, which now works to show
   the thumbs when clicked.
BL-726: Make page thumbnails update again

Someone added a layer of wrapper which prevented us
from finding the page node we want to replace
Merge pull request #170 from gmartin7/BL-780MorePdfControlWork

BL-780 Refine which PDF controls show in Publish view
Merge pull request #171 from JohnThomson/thumbnailUpdate

BL-726: Make page thumbnails update again
BL-760 add style for A5Portrait selected border