testing to make sure i can commit from windows-build

also, i feel like this is a small improvement
Merge remote-tracking branch 'origin/master' into right-align-what-are-bookshelves
fixing issue with extra space, but ...

it appears pretty much any change i make to gh-book.less is breaking my
build. tom couldn't figure out the issue from afar despite many
attempts. does this change break anybody else's build?
Merge pull request #163 from oerpub/right-align-what-are-bookshelves

Right align "What are bookshelves" in the "Change Bookshelf" dialog.