Our test script moved from src/or/test to src/test/test.

Update the HACKING document and the cross compilation helper

contrib/cross.sh

@@ -185,7 +185,7 @@ if [ ! -z $STRIP ]
 then
 ${HOST_TRIPLET}strip \
 	src/or/tor \
-	src/or/test \
+	src/test/test \
 	src/tools/tor-resolve
 fi
 

doc/HACKING

@@ -26,7 +26,7 @@ valgrind --leak-check=yes --error-limit=no --show-reachable=yes src/or/tor
 
   make clean
   make CFLAGS='-g -fprofile-arcs -ftest-coverage'
-  ./src/or/test
+  ./src/test/test
   cd src/common; gcov *.[ch]
   cd ../or; gcov *.[ch]