Revert "Add User Auth"

This reverts commit b51e24c442db2e02c7be1bc1eebfe6bc42721b77.
Revert "Revert "Add User Auth""

This reverts commit 0da918f0352c57759fdf7c52a41a57df04d1ebfd.
index

10-30
Merge pull request #1 from kingted/master

10-30
Index page polish

I used bootstrap style component to polish our index page. Thus, our
page is very similar to Twitter...
update

Some minor changes
database change
Add Login and session module

I add login and session features
weibo

add weibos scaffold
Add Search Button