use hashlib rather than md5 module to avoid deprecation warning.

Thanks: Garrett Holmstrom

ChangeLog

@@ -2,6 +2,7 @@
  - add sample systemd config files [Garrett Holmstrom]
  - add Fedora support [Garrent Holstrom] (LP: #883286)
  - fix bug in netinfo.debug_info if no net devices available (LP: #883367)
+ - use python module hashlib rather than md5 to avoid deprecation warnings.
 0.6.2:
  - fix bug where update was not done unless update was explicitly set.
    It would not be run if 'upgrade' or packages were set to be installed

cloudinit/UserDataHandler.py

@@ -24,7 +24,7 @@ from email import encoders
 import yaml
 import cloudinit
 import cloudinit.util as util
-import md5
+import hashlib
 
 starts_with_mappings={
     '#include' : 'text/x-include-url',
@@ -66,7 +66,7 @@ def do_include(str,parts):
         if line.startswith("#"): continue
 
         # urls cannot not have leading or trailing white space
-        msum = md5.new()
+        msum = hashlib.md5()
         msum.update(line.strip())
         includeonce_filename = "%s/urlcache/%s" % (
             cloudinit.get_ipath_cur("data"), msum.hexdigest())