Updated link for AngularUI

They have deprecated the original ui-select2 directive in favor of the new and better supported ui-select directive. This happened a couple weeks ago.
Updated AngularJS link to HTTPS

HTTPS everywhere
Replaced nonexistent locale "no" with "nb" (Norwegian Bokmål). Added space before ellipsis for correct punctuation.
Added the formatMatches string
Merge pull request #2776 from bjornjohansen/master

Replaced nonexistent locale "no" with "nb" (Norwegian Bokmål).
Merge pull request #2775 from Splaktar/patch-1

Update link for AngularUI