changing centos to CentOS for dependencies install

Fixed capitalization of CentOS.


Error: Could not retrieve catalog from remote server: Error 400 on SERVER: No matching value for selector param 'CentOS' at /etc/puppet/environments/production/modules/logentries/manifests/dependencies.pp:49 on node 
Warning: Not using cache on failed catalog
Error: Could not retrieve catalog; skipping run
[root@ ~]# facter -p operatingsystem
CentOS