Using "OtherLinux" in module_commons, cleander detection in setup.

setup

@@ -77,7 +77,7 @@ class Facts(object):
     # This is the fallback to handle unknowns or exceptions
     OSDIST_DICT = { '/etc/redhat-release': 'RedHat',
                     '/etc/vmware-release': 'VMwareESX',
-                    '/etc/system-release': 'Amazon' }
+                    '/etc/system-release': 'OtherLinux' }
     SELINUX_MODE_DICT = { 1: 'enforcing', 0: 'permissive', -1: 'disabled' }
 
     # A list of dicts.  If there is a platform with more than one
@@ -133,10 +133,11 @@ class Facts(object):
             if os.path.exists(path):
                 if self.facts['distribution'] == 'Fedora':
                     pass
-                elif name == 'Amazon':
+                elif name == 'OtherLinux':
-                    self.facts['distribution'] = 'Amazon'
                     data = get_file_content(path)
-                    self.facts['distribution_version'] = data.split()[-1]
+                    if 'Amazon' in data:
+                        self.facts['distribution'] = 'Amazon'
+                        self.facts['distribution_version'] = data.split()[-1]
                 elif name == 'RedHat':
                     data = get_file_content(path)
                     if 'Red Hat' in data: