Reverted attempts. Defer to travis-ci/8964
Reverted attempts. Defer to travis-ci/8964

https://github.com/travis-ci/travis-ci/issues/8964
vlulla/data.table,Rdatatable/data.table,jangorecki/data.table,jangorecki/data.table,vlulla/data.table,Rdatatable/data.table,Rdatatable/data.table,Rdatatable/data.table,jangorecki/data.table,jangorecki/data.table,vlulla/data.table,vlulla/data.table