Added support for parsing in the SLES patch level correctly

On SLES, the setup module was returning the architecture as the distribution version (i.e. platform.dist() didn't quite return the right thing). This change checks for /etc/SuSE-release and grabs the second column in the third line as distribution_version.

library/system/setup

@@ -117,7 +117,8 @@ class Facts(object):
                     '/etc/system-release': 'OtherLinux',
                     '/etc/alpine-release': 'Alpine',
                     '/etc/release': 'Solaris',
-                    '/etc/arch-release': 'Archlinux' }
+                    '/etc/arch-release': 'Archlinux',
+                    '/etc/SuSE-release': 'SuSE' }
     SELINUX_MODE_DICT = { 1: 'enforcing', 0: 'permissive', -1: 'disabled' }
 
     # A list of dicts.  If there is a platform with more than one
@@ -324,6 +325,9 @@ class Facts(object):
                         self.facts['distribution'] = data.split()[0]
                         self.facts['distribution_version'] = data.split()[1]
                         self.facts['distribution_release'] = ora_prefix + data
+                    elif name == 'SuSE':
+                        data = get_file_content(path).splitlines()
+                        self.facts['distribution_version'] = data.split[2].split('=')[1].strip()
                     else:
                         self.facts['distribution'] = name