Merge branch 'develop'

* develop:
  added travis ci status badge
  updated README
  added travis.yml
  added default rake task
  moved extraction code to Extractor
  renamed spec folder 'capybara' to 'cucumber'
  added write_report function
  fixed report template
  fixed tests
  added minitest integration
  a work around for no page given
  renamed "percent" to "coverage"
  changed 'require' to 'autoload'
  changed gem author
  Changed readme
  renamed 'cucumber' to 'capybara'
moved to 'expect' syntax
moved gems to Gemfile against gemspec
added gemfile.lock to git stage
updated matchers
Merge branch 'bugfix/tests-for-ci' into develop

* bugfix/tests-for-ci:
  updated matchers
  added gemfile.lock to git stage
  moved gems to Gemfile against gemspec
  moved to 'expect' syntax
changed version number
Merge branch 'release/v0.4.1'

* release/v0.4.1:
  changed version number
  updated matchers
  added gemfile.lock to git stage
  moved gems to Gemfile against gemspec
  moved to 'expect' syntax
  updated readme
  added rails assets integration
  fixed readme