adding password commandline option

lemur/manage.py

@@ -263,11 +263,16 @@ class InitializeApp(Command):
     Additionally a Lemur user will be created as a default user
     and be used when certificates are discovered by Lemur.
     """
-    def run(self):
+    option_list = (
+        Option('-p', '--password', dest='password')
+    )
+
+    def run(self, password):
         create()
         user = user_service.get_by_username("lemur")
 
         if not user:
+            if not password:
                 sys.stdout.write("We need to set Lemur's password to continue!\n")
                 password1 = prompt_pass("Password")
                 password2 = prompt_pass("Confirm Password")