Support for Blink Camera System (#6444)

* Passing pep8, no tests yet

* Fixed some issues with the request throttling

* Removed ability to set throttle time because it was causing more issues than it was worth

* Added blink to .coveragerc

* Changed blinkpy version

* Removed global var, fixed per PR requests

* Added services for camera, migrated switch to binary_sensor

* Added schema for service, fixed naming, removed unused function

homeassistant/components/binary_sensor/blink.py

@@ -0,0 +1,74 @@
+"""
+Support for Blink system camera control.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/binary_sensor.blink/
+"""
+from homeassistant.components.blink import DOMAIN
+from homeassistant.components.binary_sensor import BinarySensorDevice
+
+DEPENDENCIES = ['blink']
+
+
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """Setup the blink binary sensors."""
+    if discovery_info is None:
+        return
+
+    data = hass.data[DOMAIN].blink
+    devs = list()
+    for name in data.cameras:
+        devs.append(BlinkCameraMotionSensor(name, data))
+    devs.append(BlinkSystemSensor(data))
+    add_devices(devs, True)
+
+
+class BlinkCameraMotionSensor(BinarySensorDevice):
+    """A representation of a Blink binary sensor."""
+
+    def __init__(self, name, data):
+        """Initialize the sensor."""
+        self._name = 'blink_' + name + '_motion_enabled'
+        self._camera_name = name
+        self.data = data
+        self._state = self.data.cameras[self._camera_name].armed
+
+    @property
+    def name(self):
+        """Return the name of the blink sensor."""
+        return self._name
+
+    @property
+    def is_on(self):
+        """Return the status of the sensor."""
+        return self._state
+
+    def update(self):
+        """Update sensor state."""
+        self.data.refresh()
+        self._state = self.data.cameras[self._camera_name].armed
+
+
+class BlinkSystemSensor(BinarySensorDevice):
+    """A representation of a Blink system sensor."""
+
+    def __init__(self, data):
+        """Initialize the sensor."""
+        self._name = 'blink armed status'
+        self.data = data
+        self._state = self.data.arm
+
+    @property
+    def name(self):
+        """Return the name of the blink sensor."""
+        return self._name.replace(" ", "_")
+
+    @property
+    def is_on(self):
+        """Return the status of the sensor."""
+        return self._state
+
+    def update(self):
+        """Update sensor state."""
+        self.data.refresh()
+        self._state = self.data.arm