add alarmMonitor for Rasbperry with RPiDisplay

This is an alarmMonitor for receive alarm-messages from BOSWatch and show them on a touchscreen
The jsonSocketServer controlls an Watterott RPi-Display in case of received POCSAG-RIC

Implemented functions:
- asynchronous threads for display control
- show ric-description and alarm-message on display
- different colours for no alarm, test alarm and alarm
- auto-turn-off display
- show POCSAG is alive status (coloured clock)

exampleAddOns/alarmMonitorRPi/config.template.ini

@@ -0,0 +1,48 @@
+############################
+# AlarmMonitor Config File #
+############################
+
+[AlarmMonitor]
+# listen port for socket server
+socketPort = 8112
+
+# process alarms for the following RICs
+alarmRICs = 1234567, 12345678
+
+# use the following RICs for keep alive calculation (additonal)
+keepAliveRICs = 1000000
+
+# use the following functionChar for test alarms (if empty no test alarms will shown)
+functionCharTestAlarm = a
+
+# use the following functionChar for alarms (if empty no alarms will shown)
+# if functionChar is used in functionCharTestAlarm too, it will bee ignored for alarms
+functionCharAlarm = b, c, d
+
+# Show alarm massage for n seconds 
+showAlarmTime = 180
+
+# Show display for n seconds by touching
+showDisplayTime = 30
+
+# colouring status of RIC-decoding (n seconds after last alarm)
+delayForYellow = 240
+delayForRed    = 360
+
+# colours for alarmMonitor
+colourBlack   = #000000
+colourRed     = #B22222
+colourGreen   = #008B00
+colourBlue    = #00008B
+colourYellow  = #8B8B00
+colourGrey    = #BEBEBE
+colourDimGrey = #696969
+colourWhite   = #FFFFFF
+
+[Display]
+# Pin of LCD backlight (script will use only on/off)
+GPIOPinForBacklight = 18
+
+# display size
+displayWidth = 320
+displayHeight = 240