update readme because jquery isn't a framework

- its a library http://bit.ly/1c1lSDz
Merge pull request #264 from lfender6445/master

update readme because jquery isn't a framework
Export Turbolinks.supported

page:change is now triggered on DOMContentLoaded but only if Turbolinks is supported. This exposes a `Turbolinks.supported` property
Merge pull request #266 from glebm/patch-2

Export Turbolinks.supported
Revert "always initialize turbolinks"

This reverts commit 0d0b7119bf0f46eceee4192fa87a8b234c1ab28b.
Revert "clean up the reqest_method cookie after turbo setup"

This reverts commit c30d54cd2cb1fc033bd2043514f9ed6b8e8b9d81.
Merge remote-tracking branch 'upstream/master'