Add color property to the TCS34725 class (closes adafruit#8).

Author: process1183

adafruit_tcs34725.py

@@ -242,6 +242,16 @@ def color_rgb_bytes(self):
  blue = int(pow((int((b/clear) * 256) / 255), 2.5) * 255)
  return (red, green, blue)
 
+ @property
+ def color(self):
+ """Read the RGB color detected by the sensor. Returns an int with 8 bits per channel.
+
+ Examples: Red = 16711680 (0xff0000), Green = 65280 (0x00ff00),
+ Blue = 255 (0x0000ff), SlateGray = 7372944 (0x708090)
+ """
+ r, g, b = self.color_rgb_bytes
+ return (r << 16) + (g << 8) + b
+
 
  @property
  def temperature(self):