LOC should <= 2000

$ rspec -f d spec/features/loc_spec.rb

LOC
  should <= 2000

Finished in 1.57 seconds
1 example, 0 failures
consider js and templates as code
count css as code
add devise gem
add devise & user model
convert erb to slim
convert users erb to slime
convert devise erb to slim
Merge pull request #61 from doitian/feature/loc2000

Great. LOC should <= 2000.
use bootstrap default font and size
do not widen in large screen, do not collapse in small screen, refs #57
Merge pull request #60 from doitian/enhancement/57-tweak-for-wide-and-small-screen

Enhancement/57 tweak for wide and small screen
temp
Issue #40 - 去除在Gemfile中对RSpec的声明（rspec-rail会自动安装依赖）
同时清理了Gemfile的代码，看着清爽，也对初学者更友好一些。
Merge branch 'master' into feature/13-user-sign-up

Conflicts:
	Gemfile.lock
实现首页用户注册 refs #13
修改确认密码placeholder refs #13
将昵称改为登录名，nickname -> login refs #13 #67
fix time zone issue
Get rid of ruby-head since it will cause timeout in Travis