Merge pull request #9 from kookster/master

Only published stories, opener for accounts
bump ruby to 2.1.1
set travis to use new ruby version
Merge pull request #10 from chrisrhoden/bump_ruby_version

bump ruby to 2.1.1
Merge pull request #11 from kookster/master

refactor user.accounts and images
new mixin to help with urls, use for link profiles
rename prx uri helper, use in api and account representers as well
better prx model uri for inheritance, and better tests