Upgrade to Gradle 2.0
Remove code to exclude older JSch bundled with Gradle 1.x
Upgrade spock dependencies for Groovy 2.x
Merge branch 'gradle-2.0' to upgrade
Merge v3 branch into v4
Split classes into Gradle plugin and Groovy library
Remove Gradle dependencies from library code
Add API of the Groovy SSH library
Fix type of allowAnyHosts to avoid type check warning
Integrate plugin with core library
Add the ssh service into the project
Merge branch 'groovy-ssh' into v4
Release 0.4.0
Mark as a snapshot version