update event show prototype. #130

1. move all theme to layout css
2. add l-event layout class
add .sass-cache to .gitignore
add boostrap variables usefull link.
Merge branch 'doitian/ui/130-events-list'
修改travis-ci 的配置，添加对mysql测试环境的支持
Add simple_form gem
`rails g simple_form:install --bootstrap` and tweak the config files
Use simple_form in registration form
Use simple_form in new event form
simple_form translations
Add the gem html-pipeline
Add has_html_pipeline to ease using html_pipeline in model
register a default markdown pipeline
Merge pull request #152 from alan-hjkl/my_change

#139 修改travis-ci 的配置，添加对mysql测试环境的支持。完善 #140
add event mock map.
Merge branch 'master' of github.com:saberma/19wu
manually set time zone

refs https://github.com/rails/rails/issues/8711
Patches to make html-pipeline work with jruby
install libicu on travis for html-pipeline
Upgrade Rails to 3.2.10 for security fix

http://weblog.rubyonrails.org/2013/1/2/Rails-3-2-10--3-1-9--and-3-0-18-have-been-released/