Merge pull request #316 from jiyinyiyong/reply-tweaks

Reply tweaks
Merge pull request #318 from jiyinyiyong/reply-tweaks

fix bug of current_user
Merge pull request #321 from jiyinyiyong/reply-tweaks

change fontface; use 15px fonts; limit name width
Update README.md
Update README.md
Merge pull request #325 from dead-horse/patch-1

Update README.md
fix #323. 修复 at 的样式。
fix #306. session 存在 mongo 中
update spaces in pages
Merge pull request #326 from jiyinyiyong/list-and-space

update spaces in pages
finished moving files
show tags, not available though