added libaio 

manifest broke on centos with this error.  adding libaio via yum resolves the dependency:


err: /Stage[main]/Oracle_instant_client/Exec[rpm -i /usr/lib/oracle/oracle-instantclient11.2-basic-11.2.0.3.0-1.x86_64.rpm]/returns: change from notrun to 0 failed: rpm -i /usr/lib/oracle/oracle-instantclient11.2-basic-11.2.0.3.0-1.x86_64.rpm returned 1 instead of one of [0] at /usr/share/puppet/modules/oracle_instant_client/manifests/init.pp:68