Bump version: 3.4.0

Merge pull request github#837 from github/release-3.3.1

Bump version: 3.3.1

Merge pull request github#831 from github/release-3.3.0

Bump version: 3.3.0

Background file transfer for mysql and skip proxy

unofficial v3.1.0 with no proxy for ssh rsync

Merge pull request github#814 from github/release-3.3.0.rc1

Bump version: 3.3.0.rc1

Merge pull request github#793 from github/release-3.2.0

Bump version: 3.2.0

Merge pull request github#785 from github/release-3.2.0.rc3

Bump version: 3.2.0.rc3

Merge pull request github#777 from github/release-3.2.0.rc1

Bump version: 3.2.0.rc1

Merge pull request github#742 from github/release-3.1.0

Bump version: 3.1.0