Get asset pipeline working.

Add calls to javascript_include_tag and stylesheet_include_tag.
Rename .css to application.css for asset pipeline.
Rename style.sass to style.css.sass.
Fix invalid color for style.css.sass line 31.
Temporarily restore sqlite3 gem to Gemfile until database.yml
has the postgresql configuration in it.
Merge pull request #1 from statik/master

This gets the asset pipeline working.