backup 5.0.0.beta.3

• aws-sdk 2.11.632 ~> 2

• dogapi 1.40.0 = 1.40.0

• dropbox-sdk 1.6.5 = 1.6.5

• excon 0.110.0 ~> 0.71

• flowdock 0.4.0 = 0.4.0

• fog 1.42.1 ~> 1.42

• hipchat 1.0.1 = 1.0.1

• mail 2.8.1 ~> 2.6, >= 2.6.6

• net-scp 2.0.0 ~> 2.0.0

• net-sftp 2.1.2 = 2.1.2

• net-ssh 5.2.0 = 5.2.0

• nokogiri 1.16.4 ~> 1.10, >= 1.10.9

• open4 1.3.0 = 1.3.0

• pagerduty 2.0.0 = 2.0.0

• qiniu 6.9.1 ~> 6.5

• thor 0.20.3 ~> 0.18, >= 0.18.1

• twitter 6.2.0 ~> 6.0

• unf 0.1.3 = 0.1.3