Actually checkout 'deploy' after creating the pull request.

We need to be on 'deploy', not 'master'.   The 'return' will end the execution, so it never checks out Deploy correctly.  Check out the Deploy branch *before* returning.

gitmanager.py

@@ -85,6 +85,7 @@ def add_to_blacklist(self, **kwargs):
             response = requests.post("https://api.github.com/repos/Charcoal-SE/SmokeDetector/pulls", auth=HTTPBasicAuth(GlobalVars.github_username, GlobalVars.github_password), data=json.dumps(payload))
             print(response.json())
             try:
+                git.checkout("deploy")  # Return to deploy, pending the accept of the PR in Master.
                 return (True, "You don't have code privileges, but I've [created a pull request for you]({0}).".format(response.json()["html_url"]))
             except KeyError:
                 # Error capture/checking for any "invalid" GH reply without an 'html_url' item, which will throw a KeyError.