As for the singular "they" here are many examples.
AUE: FAQ excerpt: Gender-neutral pronouns
http://www.crossmyt.com/hc/linghebr/austheir.html
http://www.crossmyt.com/hc/linghebr/sgtheirl.html
http://motivatedgrammar.wordpress.co...y-its-correct/

And since I am provoking you all so terribly, note that my avatar and signature are gone. I hope this eases your difficulties as the majority.