fix small miscellaneous bugs

libforget/misskey.py

@@ -33,7 +33,7 @@ def get_or_create_app(instance_url, callback, website):
             app.client_secret = None
         else:
             # register the app
-            r = post('{}://{}/api/app/create', json = {
+            r = post('{}://{}/api/app/create'.format(app.protocol, app.instance), json = {
                 'name': 'forget',
                 'description': website,
                 'permission': ['read:favorites', 'write:notes'],

routes/__init__.py

@@ -249,7 +249,7 @@ def misskey_login(instance=None):
             min_popularity = 1
         )
         return render_template(
-                'mastodon_login.html', instances=instances,
+                'misskey_login.html', instances=instances,
                 address_error=request.method == 'POST',
                 generic_error='error' in request.args
                 )