Update custom init script.
Update custom init script.

To allow instance to start with the default login shell of user tomcat on RHEL6.
https://bugzilla.redhat.com/show_bug.cgi?id=678671

ffquintella/puppet-tomcat,ffquintella/puppet-tomcat,camptocamp/puppet-tomcat,camptocamp/puppet-tomcat,McLarenAppliedTechnologies/puppet-tomcat,ffquintella/puppet-tomcat,mcanevet/puppet-tomcat,camptocamp/puppet-tomcat,McLarenAppliedTechnologies/puppet-tomcat,McLarenAppliedTechnologies/puppet-tomcat