Install script support root user

Merge pull request gobackup#46 from huacnlee/fix45

Fix gobackup#45 of cleaning up multiple tasks in parallel

version 0.7.3

Merge pull request gobackup#41 from griffinqiu/master

Fixed the exclude option not work

fix spell error

sorry, fix case error

Fix 'Unmarshal cycler.json failed' on first time run gobackup#24

Fix indent

Update README.md (gobackup#18)

fix broken link

install script 0.6.0

Add cycler to store backuped files