add vendor/rails_strap-1.0.3 in assets precompile
add config_assets_precompile for vendor folder in application.rb
modify application.rb - %w..
add less, js, css in precompile
Add woff, eot, ttf to precompile in application.rb
just again
modified:   vendor/rails_strap-1.0.3/vendor/assets/stylesheets/flexslider_customization.css