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/wrapline.py

@@ -0,0 +1,50 @@
+#!/usr/bin/python
+# -*- coding: UTF-8 -*-
+#
+
+"""
+alarmMonitor - wrapline
+
+This snippet of code will convert a string of text into a list containing the lines it would break down into for a certain font and width
+
+@author: pygame.org
+http://www.pygame.org/wiki/TextWrapping
+"""
+
+def truncline(text, font, maxwidth):
+		real=len(text)       
+		stext=text           
+		l=font.size(text)[0]
+		cut=0
+		a=0                  
+		done=1
+		old = None
+		while l > maxwidth:
+			a=a+1
+			n=text.rsplit(None, a)[0]
+			if stext == n:
+				cut += 1
+				stext= n[:-cut]
+			else:
+				stext = n
+			l=font.size(stext)[0]
+			real=len(stext)               
+			done=0                        
+		return real, done, stext             
+		
+def wrapline(text, font, maxwidth): 
+	done=0                      
+	wrapped=[]                  
+							   
+	while not done:             
+		nl, done, stext=truncline(text, font, maxwidth) 
+		wrapped.append(stext.strip())                  
+		text=text[nl:]                                 
+	return wrapped
+ 
+ 
+def wrap_multi_line(text, font, maxwidth):
+	""" returns text taking new lines into account.
+	"""
+	lines = chain(*(wrapline(line, font, maxwidth) for line in text.splitlines()))
+	return list(lines)