Merge branch 'master' into devel
improved update_config
add `catsup rsync`
add git deploy support
fix a bug about github pages' cname
update theme via git by `catsup install`
rewrite Tag/Archive
init doc
add changelog
add install and goodies
add doc link to readme

note that it will be 404 until I merge devel into master.
add started
add 3 pages.UNWRITTEN.
update webhook's doc
Update sealscript
finish write.rst and config.rst
update theme.rst
update doc
Merge branch 'devel'