combine power and energy diff in one graph and fix graph period for kWh data type

contrib/munin/plugins/ebusd_

@@ -11,7 +11,6 @@ if [ "$1" = "suggest" ]; then
   echo "temp"
   echo "press"
   echo "power"
-  echo "energy"
   exit 0
 fi
 prefix=`basename "$0"`
@@ -19,10 +18,8 @@ if [ "$prefix" = "ebusd_temp" ]; then
   sensors="outsidetemp BrineTempInput BrineTempOutput FlowTemp mcFlowTempSensor hwTankTemp RoomTemp rc4:RoomTemp"
 elif [ "$prefix" = "ebusd_press" ]; then
   sensors="BrinePress HeatSystemPress VaporPressHigh VaporPressLow"
-elif [ "$prefix" = "ebusd_power" ]; then
-  sensors="ActualEnvironmentPower"
 else
-  sensors="YieldEnvironmentEnergy"
+  sensors="YieldEnvironmentEnergy ActualEnvironmentPower"
 fi
 if [ "$1" = "config" ]; then
   if [ "$prefix" = "ebusd_temp" ]; then
@@ -31,18 +28,19 @@ if [ "$1" = "config" ]; then
   elif [ "$prefix" = "ebusd_press" ]; then
     echo "graph_title ebusd Drucksensoren"
     echo "graph_vlabel Bar"
-  elif [ "$prefix" = "ebusd_power" ]; then
-    echo "graph_title ebusd Leistung"
-    echo "graph_vlabel kW"
   else
-    echo "graph_title ebusd Ertrag"
-    echo "graph_vlabel kWh"
+    echo "graph_title ebusd Leistung/Ertrag"
+    echo "graph_vlabel kW"
+    echo "graph_period hour"
   fi
   echo 'graph_category Heizung'
   for sensor in $sensors; do
-    echo ${prefix}_${sensor/:/_}.label $sensor
-    if [ "$prefix" = "ebusd_energy" ]; then
+    if [ ! "${sensor/nergy/}" = "$sensor" ]; then
+      echo ${prefix}_${sensor/:/_}.label "$sensor [diff]"
       echo ${prefix}_${sensor/:/_}.type COUNTER
+      echo ${prefix}_${sensor/:/_}.draw AREA
+    else
+      echo ${prefix}_${sensor/:/_}.label $sensor
     fi
     print_warning ${prefix}_${sensor/:/_}
     print_critical ${prefix}_${sensor/:/_}