Fix windows 2008 nova cis issues

- Get-NetFirewallProfile not available on 2008. Disabling firewall
checks there until we figure out a workaround
- Added more checks for bad lines when fetching accounts in win_secedit
- Fix leading whitespace in reg checks

hubblestack_nova/win_secedit.py

@@ -280,7 +280,7 @@ def _get_account_sid():
             lines.remove('local:')
         for line in lines:
             line = line.strip()
-            if line != '':
+            if line != '' and ' : ' in line:
                 k, v = line.split(' : ')
                 if k.lower() == 'name':
                     key = v