Set default DETECTOR_CONFIG to DETECTOR

This was the original design. I am not even sure this is a good idea. It means every detector will now need the same CONFIGs... modified: bin/env.sh

bin/env.sh

@@ -43,9 +43,9 @@ if [ ! -n  "${DETECTOR}" ] ; then
 fi
 
 # Optional variable, define it or don't use it
-#if [ ! -n  "${DETECTOR_CONFIG}" ] ; then
-#  export DETECTOR_CONFIG="${DETECTOR}_full"
-#fi
+if [ ! -n  "${DETECTOR_CONFIG}" ] ; then
+  export DETECTOR_CONFIG="${DETECTOR}"
+fi
 
 # main is the new master
 if [ ! -n  "${DETECTOR_VERSION}" ] ; then