fix cas logout dropdown link as it was off kilter by leveraging class…

… dropdown-item (#54)

Update login link

Merge pull request #41 from lyrasis/10-year-keys

Make sure those keys last more than a month

Merge pull request #38 from lyrasis/remove-rexml-gemfile

Remove rexml from gemfile

Merge pull request #26 from lyrasis/username_email_opt

Add option to use email as username

Merge pull request #25 from Geoffsc/patch-1

Update Gemfile

Merge pull request #21 from lyrasis/addressable-27

Locks addressable to 2.7