The next version is 2.2.0

Signed-off-by: Oleg Nenashev <o.v.nenashev@gmail.com>
Fixed the improper version Jenkins core comparison introduced in #8

Signed-off-by: Oleg Nenashev <o.v.nenashev@gmail.com>
Minor refactoring of RoleBasedProjectNamingStrategy

Signed-off-by: Oleg Nenashev <o.v.nenashev@gmail.com>