Reformat code
Use tag helper to generate iframe
Use content_tag instead of tag to generate iframe (prevents swallowing of other
parts of the page)
Merge branch 'more_explanation' into code_format

* more_explanation:
  Explain usage more; give example
Accept SVG url
Pass the context in which the rendering is done to avoid "@template variable inside controllers is nil"
Merge remote-tracking branch 'lml/master' into accept_url

* lml/master:
  Should now work with multiple tags per form
  Another readme markup fix
  Readme markup fix
  Removed jquery includes, specified dependency in readme, switched up iframe/JS order to try to fix issue when loading sketchily via JS
  Add jquery_ujs require to make remote forms work
  Moved requires to top, fixed bug in ext-grid that would cause editor to error out after saving an image a few times
  Even more readme improvements
  More readme improvements
  Minor readme improvements.
  Added sketchily manifest files, cause necessary files to be automatically added to precompile list.
  Another readme update
  Minor readme update
  Added option to hide hyperlink tool, dryed up some view code, buttons are now completely removed from DOM when hidden
  Added CF link
  Added link to svg-edit
  Fixed some broken styles
  Changed show_menu to hide_menu
  Prevent remote sketchily forms from submitting twice, allow remote forms to update if submitted many times.
  Even more documentation
  More documentation

Conflicts:
	README.md
	app/views/sketchily/_embed.html.erb
	app/views/sketchily/_sketchily.html.erb
Merge branch 'accept_url' of https://github.com/ramontayag/sketchily into ramontayag-accept_url

Conflicts:
	README.md
	lib/sketchily.rb
	lib/sketchily/sketchily.rb
	lib/sketchily/sketchily_tag.rb

Several changes done to pull request as well. Now using minitest with capybara.
Version bump