Issue NASA-AMMOS#110 - Moved gui port kwarg to plugin init

Action requested from the PR review. Moved the port argument to the
plugin class init as a kwarg with a default to port 8080. Kwarg gets
populated based on whats defined in config.yaml.

ait/gui/__init__.py

@@ -171,7 +171,11 @@ def __init__(self, inputs, outputs, zmq_args=None, **kwargs):
 
         bottle.TEMPLATE_PATH.append(HTMLRoot.User)
 
-        gevent.spawn(self.init)
+        port = 8080
+        if 'port' in kwargs:
+            port = int(kwargs['port'])
+
+        gevent.spawn(self.init, port=port)
 
     def process(self, input_data, topic=None):
         # msg is going to be a tuple from the ait_packet_handler
@@ -216,7 +220,7 @@ def process_log_msg(self, msg):
     def getBrowserName(self, browser):
         return getattr(browser, 'name', getattr(browser, '_name', '(none)'))
 
-    def init(self, host=None, port=ait.config.get('gui.port', 8080)):
+    def init(self, host=None, port=8080):
 
         # The /cmd endpoint requires access to the AITGUIPlugin object so it
         # can publish commands via the Plugin interface. It's defined here with