Merge pull request #104 from arkxu/3.0

missing create_admin bin file for 3.0 branch
support digest auth
Merge pull request #106 from michaelnsj/3.0

Merged.
fix one bug for digest auth
Merge pull request #107 from michaelnsj/3.0

Merged.
change the logic of can_upgrade
Merge pull request #109 from michaelnsj/3.0

Merged.
remove create_admin vcap
Merge pull request #111 from michaelnsj/3.0

Merged.
Merge pull request #113 from arkxu/3.0

move nfs to vcap
Merge pull request #114 from arkxu/3.0

don't make link here
Merge pull request #115 from arkxu/3.0

reload monit when nfs is ready as CF config is in nfs now
remove nfs recipe from 3.0 branch