Merge pull request #78 from hunner/remove_oel_5

OEL 5 is trying to use up2date which doesn't work

README.markdown

@@ -73,7 +73,7 @@ This module is officially [supported](https://forge.puppetlabs.com/supported) fo
 OpenJDK is supported on:
 * Red Hat Enterprise Linux (RHEL) 5, 6, 7
 * CentOS 5, 6, 7
-* Oracle Linux 5, 6, 7
+* Oracle Linux 6, 7
 * Scientific Linux 5, 6
 * Debian 6, 7
 * Ubuntu 10.04, 12.04, 14.04

metadata.json

@@ -27,7 +27,6 @@
     {
       "operatingsystem": "OracleLinux",
       "operatingsystemrelease": [
-        "5",
         "6",
         "7"
       ]