Merge pull request #15 from tengcong/zyc

fix bug of cance_top_it
remove hot topic in head
swiftist 社区
bug fix
homepage title
Merge pull request #16 from tengcong/zyc

fix bug of sensitive email bug in password reset html
markdown support tables
Merge branch 'master' of github.com:tengcong/campo
do not filter table element
support table elements
add video embed function