add script executor

also added a postcompile script to each project to place the outputs in the right folder

fixes #237

scripts/build/place-binary.cmd

@@ -0,0 +1,24 @@
+@echo off
+
+REM Copyright (c) .NET Foundation and contributors. All rights reserved.
+REM Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+set SRC=%1
+
+set SRC=%SRC:/=\%
+
+pushd %~dp0..\..
+set DST=%CD%\artifacts\win7-x64\stage2\bin
+popd
+
+if not exist "%SRC%" goto end
+if not exist "%DST%" goto skip
+
+xcopy /F /Y /I "%SRC%" "%DST%"
+
+goto end
+
+:skip
+echo The destination "%DST%" does not exist. This script is only designed to update a previous full build!
+
+:end

scripts/build/place-binary.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+#
+# Copyright (c) .NET Foundation and contributors. All rights reserved.
+# Licensed under the MIT license. See LICENSE file in the project root for full license information.
+#
+set -e
+
+SOURCE="${BASH_SOURCE[0]}"
+while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
+  DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
+  SOURCE="$(readlink "$SOURCE")"
+  [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
+done
+SCRIPT_DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
+REPOROOT="$( cd -P "$DIR/../.." && pwd )"
+
+source "$SCRIPT_DIR/../_common.sh"
+
+echo "Copy From: $1"
+echo "       To: $STAGE2_DIR/bin/"
+
+src=${1//\\//}
+dst=$STAGE2_DIR/bin/
+
+if [ ! -d "$dst" ]; then
+  mkdir -p $dst
+fi
+
+# Copy the files, if they exist
+if ls $src 1> /dev/null 2>&1; then
+    cp $src $dst
+    rc=$?; if [[ $rc != 0 ]]; then exit $rc; fi
+fi