various fixes and improvements
more refactoring to be more in the vein of should and should not see

Gemfile
* removed rvm gem dependency (no longer using rvm)
* moved development dependencies to runtime dependencies (otherwise
  ruby mine fails to see rspec)

scroll_until_i_see
* replaced method body with wait-poll at the suggestion of this post:
  http://preview.tinyurl.com/ccngxny

moved more double quotes to single quotes