Adding helper script for test suite on MSVC builds.

test/testMSVC.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+msvc=$1
+dryrun=$2
+
+if [ -z $msvc ]; then
+	echo usage: $0 \<path-to-msvc-bin\> [dryrun]
+	exit
+fi
+
+if [ ! -z $dryrun ]; then
+	dryrun=echo
+fi
+
+for d in $(find "$msvc" -name exiv2.exe -exec dirname {} ";"); do
+    export EXIV2_BINDIR=$d
+    bar='-----'
+    Bar=$bar
+    for i in $(seq 0 $((${#d}+1))); do Bar+=-; done
+    Bar+=$bar
+    echo $Bar
+    echo $bar $d $bar
+    echo $bar $(cygpath -aw "$msvc") $bar
+    echo $Bar
+    $dryrun make test
+done
+
+# That's all Folks!
+##
+