#56 switched broadcast examples to testnets

_includes/local-testnet.html

_tutorials-ruby/edit_content_patching.md

_tutorials-ruby/follow_another_user.md

_tutorials-ruby/reblogging_post.md

_tutorials-ruby/submit_comment_reply.md

_tutorials-ruby/submit_post.md

_tutorials-ruby/vote_on_content.md

tutorials/ruby/10_submit_post/submit_a_new_post.rb

...ials/ruby/11_submit_comment_reply/submit_comment_reply.rb

...ls/ruby/12_edit_content_patching/edit_content_patching.rb

tutorials/ruby/14_reblogging_post/reblogging_post.rb

tutorials/ruby/17_vote_on_content/vote_on_content.rb

tutorials/ruby/18_follow_another_user/follow.rb