update
Merge branch 'master' of https://github.com/Raysmond/FDUGroup
Merge pull request #59 from RenchuSong/master

user group delete confirm
file cache config
Merge branch 'master' of https://github.com/Raysmond/FDUGroup
post view page ui
update process doc
Merge branch 'master' of https://github.com/Raysmond/FDUGroup
update db configuration
remove old cache
pager in messages page
navigation in messages view
myposts initialization
system log db script
remove old db scripts
system log data model class