[yanan] fix undefined value of index
[yanan] move cron task from server to app
merge server and app directiry .
Merge branch 'master' of github.com:guanghetv/enterprise
rename app folder .
[yanan] file structure change
add cron job to child process .
[yanan] fix mongo url bug and change cron log
[yanan] change cron time
[yanan] modify cron execute time