Added /dev/ttyS* into serial ports to find.

OctoPrint was unable to find any of the serial ports on my CubieBoard, which are all ttyS devices; this fixes that issue.

AUTHORS.md

@@ -74,6 +74,7 @@ date of first contribution):
   * [Mathias Rangel Wulff](https://github.com/mathiasrw)
   * [Clemens Niemeyer](https://github.com/clemniem)
   * ["I-am-me"](https://github.com/I-am-me)
+  * [J-J Heinonen](https://github.com/jammi)
 
 OctoPrint started off as a fork of [Cura](https://github.com/daid/Cura) by
 [Daid Braam](https://github.com/daid). Parts of its communication layer and

src/octoprint/util/comm.py

@@ -144,6 +144,7 @@ def serialList():
 			   + glob.glob("/dev/tty.usb*") \
 			   + glob.glob("/dev/cu.*") \
 			   + glob.glob("/dev/cuaU*") \
+			   + glob.glob("/dev/ttyS*") \
 			   + glob.glob("/dev/rfcomm*")
 
 	additionalPorts = settings().get(["serial", "additionalPorts"])