Tweak css of the login form.

openscholar/openscholar#4289
Show message until user selects 'dont show', then remember that setting forever.

openscholar/openscholar#4289
Rework the 'unlinked account' page.

openscholar/openscholar#4289
Change page title.

openscholar/openscholar#4289
Remove fourth step of login process. Fold it into 3rd step, with collapsible fieldset.

openscholar/openscholar#4289.
Remove debugging line.

openscholar/openscholar#4289
#4289: Title change
Grammer

openscholar/openscholar#4289
Merge pull request #12 from openscholar/4289-pinserver_tweaks

Tweaks to pinserver authenticate work flow