Changed message in case of failure

  In case of exception, printing the message might not be enough,
  as the message might be empty, while strerror, errno and filename
  contain useful information, which will save time.

bootstrap_cfn/fab_tasks.py

@@ -341,8 +341,9 @@ def cfn_create():
     # Inject security groups in stack template and create stacks.
     try:
         stack = cfn.create(stack_name, cfn_config.process())
-    except Exception as e:
-        abort(red("Failed to create: {error}".format(error=e.message)))
+    except:
+        import traceback
+        abort(red("Failed to create: {error}".format(error=traceback.format_exc())))
 
     print green("\nSTACK {0} CREATING...\n").format(stack_name)