Making the test ini file more flexible so the CI work

This still requires some adjustments to the yaml scripts, but at least
it will be possible to make it work while using the same input data for
both the documentation examples and the tests

tests/simple/io.ini

@@ -9,7 +9,7 @@ TIME_ZONE	=	1
 COMPUTE_IN_LOCAL_COORDS = TRUE
 
 METEO	=	SMET
-METEOPATH	=	../../doc/examples/Stillberg/input/meteo
+METEOPATH	=	${env:SIMULATION_ROOT}/meteo
 STATION1 = WFJ
 STATION2 = DAV
 STATION3 = DAV2
@@ -22,7 +22,7 @@ STATION9 = STB2
 STATION10 = WFJ2
 
 ISWR_IS_NET	=	FALSE
-SNOWPATH	=	../../doc/examples/Stillberg/input/snowfiles
+SNOWPATH	=	${env:SIMULATION_ROOT}/snowfiles
 SNOW	=	SMET
 
 DEM		= ARC

tests/simple/run_simple.sh

@@ -13,6 +13,7 @@ END="2014-12-31T00:00"
 PROG_ROOTDIR=../../bin
 export DYLD_FALLBACK_LIBRARY_PATH=${PROG_ROOTDIR}:${DYLD_FALLBACK_LIBRARY_PATH}	#for osX
 export LD_LIBRARY_PATH=${PROG_ROOTDIR}:${LD_LIBRARY_PATH}	#for Linux
+export SIMULATION_ROOT="../../doc/examples/Stillberg/input"	#where to find the input data for the simulation
 
 #now run the simulation
 date