- Controller have separate PID controller for heat and hold

- do actor fusion
- PID : fixed reset()

git-svn-id: http://moon:8086/svn/projects/HendiControl@259 fda53097-d464-4ada-af97-ba876c37ca34

Control/brewpi/pid.py

@@ -26,6 +26,7 @@ class Pid():
     def reset(self):
         self.yi = 0
         self.xd = 0
+        self.diff_aw = 0.0
 
     def process(self, dt, params, err, derr=None):
         kp = params['kp']