Added Capybara Save and Open Page snippet.
Fixed bug with improperly defined multiple sources for snippets.
Minor formatting and cleanup to snippets code.
Added CSS Image URL (Rails Asset Path) code snippet.
Added CSS Comment Line snippet.
Add HTML comment line code snippet.
Added HTML Twitter Bootstrap table code snippet.
Added HTML Placehold Image code snippet.
Added code snippets for RSpec describe, context, and it statements.