Conflicts:
	railties/guides/source/contributing_to_ruby_on_rails.textile

Prototype and Scriptaculous are no longer vendored, but provided by prototype-rails from now on, also the -j option of the application generator is removed

Removed so info about assigning to specific devs and adding tags.  I don't believe that you can do that in GitHub issues.  Remove state:committed notes as they also don't exist in GitHub issues.

* outlines how to review pull requests
* outlines how to issue pull requests
* changed all references from LH => GH

Fixed documentation, 'asset' -> 'assets'

value on a selected field.

:if should not fire on validations when not in context with :on