Created <submit> controller.
Joined Bootstrap frame.
Using Bootstrap beautify index.html
Created UtilModule.
Created Bing.com search module.
Code refactoring for utility module.
Complete submit function.
Updated index.html
Updated UtilityModule.

1. Added string_similarity_factor func.
2. Added has_article_title? func.
3. Added title_from_h_tag func.
4. Added article_title_from_url func.
Added origins.html.erb and translates.html.erb for <SearchController>.
Add to ignore rules on database.yml file.
Delete search.html.erb file.
Update application.html.erb.

Add javascript_include_tag & stylesheet_link_tag
Update index.html
临时更新