Update Travis Ruby versions (#149)
Update Travis Ruby versions (#149)

Update the JRuby versions to the latest versions.

Signed-off-by: J.R. Garcia <837382919d8fe61d4198de0c3cb7269cb0eb414f@vmware.com>
vmware/rbvmomi,10xEngineer/rbvmomi,10xEngineer/rbvmomi