Updated requirements to include PyISY.

requirements.txt

@@ -34,8 +34,11 @@ python-nest>=2.1
 # z-wave
 pydispatcher>=2.0.5
 
+# isy994
+PyISY>=1.0.0
+
 # sensor.systemmonitor 
 psutil>=2.2.1
 
 #pushover notifications
-python-pushover>=0.2
\ No newline at end of file
+python-pushover>=0.2