Update author's name
Use PPP to represtent ppp interface
Leave out pkill

By default, OpenWRT doesn't have pkill.
Merge branch 'master' of https://github.com/XuChunyang/luci-app-bras
Fix #1 Support ppp0 and ppp1 meanwhile
Merge branch 'master' of https://github.com/XuChunyang/luci-app-bras