add apitom authentication
Upgrate rails to 4.1.7
Merge pull request #148 from fs/update-rails-to-4-1-7

Upgrate rails to 4.1.7
Merge branch 'master' into add-apitome-authentication
Move apitome restrict access to documention to apitome.rb
Merge pull request #105 from fs/add-apitome-authentication

add apitom authentication
Merge pull request #149 from fs/master

Update examples branch