REGTEST: Switch to vtest.

This patch replace the usage of the formerly varnish cache reg
testing program, name varnishtest by the new standalone one: vtest.
diff --git a/Makefile b/Makefile
index 6e77b07..10be7cc 100644
--- a/Makefile
+++ b/Makefile
@@ -101,7 +101,7 @@
 #   SUBVERS        : add a sub-version (eg: platform, model, ...).
 #   VERDATE        : force haproxy's release date.
 #
-#   VARNISHTEST_PROGRAM : location of the varnishtest program to run reg-tests.
+#   VTEST_PROGRAM : location of the vtest program to run reg-tests.
 
 # verbosity: pass V=1 for verbose shell invocation
 V = 0
@@ -1113,10 +1113,10 @@
 
 reg-tests-help:
 	@echo
-	@echo "To launch the reg tests for haproxy, first export to your environment VARNISHTEST_PROGRAM variable to point to your varnishtest program:"
-	@echo "    $$ export VARNISHTEST_PROGRAM=/opt/local/bin/varnishtest"
+	@echo "To launch the reg tests for haproxy, first export to your environment VTEST_PROGRAM variable to point to your vtest program:"
+	@echo "    $$ export VTEST_PROGRAM=/opt/local/bin/vtest"
 	@echo "or"
-	@echo "    $$ setenv VARNISHTEST_PROGRAM /opt/local/bin/varnishtest"
+	@echo "    $$ setenv VTEST_PROGRAM /opt/local/bin/vtest"
 	@echo
 	@echo "The same thing may be done to set your haproxy program with HAPROXY_PROGRAM but with ./haproxy as default value."
 	@echo
@@ -1124,7 +1124,7 @@
 	@echo "    $$ make reg-tests"
 	@echo
 	@echo "You can also set the programs to be used on the command line:"
-	@echo "    $$ VARNISHTEST_PROGRAM=<...> HAPROXY_PROGRAM=<...> make reg-tests"
+	@echo "    $$ VTEST_PROGRAM=<...> HAPROXY_PROGRAM=<...> make reg-tests"
 	@echo
 	@echo "To run tests with specific levels:"
 	@echo "    $$ LEVEL=1,3,4   make reg-tests  #list of levels"
diff --git a/scripts/run-regtests.sh b/scripts/run-regtests.sh
index e648fa0..8469163 100755
--- a/scripts/run-regtests.sh
+++ b/scripts/run-regtests.sh
@@ -13,11 +13,11 @@
     run-regtests.sh ./tests1 ./tests2
 
   Parameters:
-    --j <NUM>, To run varnishtest with multiple jobs / threads for a faster overall result
+    --j <NUM>, To run vtest with multiple jobs / threads for a faster overall result
       run-regtests.sh ./fasttest --j 16
 
     --v, to run verbose
-      run-regtests.sh --v, disables the default varnishtest 'quiet' parameter
+      run-regtests.sh --v, disables the default vtest 'quiet' parameter
 
     --debug to show test logs on standard ouput (implies --v)
       run-regtests.sh --debug
@@ -25,8 +25,8 @@
     --keep-logs to keep all log directories (by default kept if test fails)
       run-regtests.sh --keep-logs
 
-    --varnishtestparams <ARGS>, passes custom ARGS to varnishtest
-      run-regtests.sh --varnishtestparams "-n 10"
+    --vtestparams <ARGS>, passes custom ARGS to vtest
+      run-regtests.sh --vtestparams "-n 10"
 
     --clean to cleanup previous reg-tests log directories and exit
       run-regtests.sh --clean
@@ -54,12 +54,12 @@
     #REQUIRE_VERSION=0.0
     #REQUIRE_VERSION_BELOW=99.9
 
-  Configure environment variables to set the haproxy and varnishtest binaries to use
+  Configure environment variables to set the haproxy and vtest binaries to use
     setenv HAPROXY_PROGRAM /usr/local/sbin/haproxy
-    setenv VARNISHTEST_PROGRAM /usr/local/bin/varnishtest
+    setenv VTEST_PROGRAM /usr/local/bin/vtest
   or
     export HAPROXY_PROGRAM=/usr/local/sbin/haproxy
-    export VARNISHTEST_PROGRAM=/usr/local/bin/varnishtest
+    export VTEST_PROGRAM=/usr/local/bin/vtest
 EOF
   exit 0
 }
@@ -248,8 +248,8 @@
           jobcount="$2"
           shift
           ;;
-        --varnishtestparams)
-          varnishtestparams="$2"
+        --vtestparams)
+          vtestparams="$2"
           shift
           ;;
         --v)
@@ -294,7 +294,7 @@
 
 
 HAPROXY_PROGRAM="${HAPROXY_PROGRAM:-${PWD}/haproxy}"
-VARNISHTEST_PROGRAM="${VARNISHTEST_PROGRAM:-varnishtest}"
+VTEST_PROGRAM="${VTEST_PROGRAM:-vtest}"
 TESTDIR="${TMPDIR:-/tmp}"
 REGTESTS=""
 
@@ -315,8 +315,8 @@
   echo "haproxy not found in path, please specify HAPROXY_PROGRAM environment variable"
   preparefailed=1
 fi
-if ! [ -x "$(command -v $VARNISHTEST_PROGRAM)" ]; then
-  echo "varnishtest not found in path, please specify VARNISHTEST_PROGRAM environment variable"
+if ! [ -x "$(command -v $VTEST_PROGRAM)" ]; then
+  echo "vtest not found in path, please specify VTEST_PROGRAM environment variable"
   preparefailed=1
 fi
 if [ $preparefailed ]; then
@@ -424,14 +424,14 @@
   done
 fi
 
-echo "########################## Starting varnishtest ##########################"
+echo "########################## Starting vtest ##########################"
 echo "Testing with haproxy version: $HAPROXY_VERSION"
 _vtresult=0
 if [ -n "$testlist" ]; then
   if [ -n "$jobcount" ]; then
     jobcount="-j $jobcount"
   fi
-  cmd="$VARNISHTEST_PROGRAM -k -t 10 -Dno-htx=${no_htx} $keep_logs $verbose $debug $jobcount $varnishtestparams $testlist"
+  cmd="$VTEST_PROGRAM -k -t 10 -Dno-htx=${no_htx} $keep_logs $verbose $debug $jobcount $vtestparams $testlist"
   eval $cmd
   _vtresult=$?
 else