initial custom action library, "hello, world" quality

src/installer-ca/precomp.h

Index: src/installer-ca/precomp.h
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new file mode 100644
--- /dev/null
+++ b/src/installer-ca/precomp.h
@@ -0,0 +1,49 @@
+#pragma once
+//-------------------------------------------------------------------------------------------------
+// <copyright file="precomp.h" company="Outercurve Foundation">
+//   Copyright (c) 2004, Outercurve Foundation.
+//   This software is released under Microsoft Reciprocal License (MS-RL).
+//   The license and further copyright text can be found in the file
+//   LICENSE.TXT at the root directory of the distribution.
+// </copyright>
+// 
+// <summary>
+//    Precompiled header for WiX CA
+// </summary>
+//-------------------------------------------------------------------------------------------------
+
+#if _WIN32_MSI < 150
+#define _WIN32_MSI 150
+#endif
+
+#include <windows.h>
+#include <msiquery.h>
+#include <msidefs.h>
+#include <shlobj.h>
+#include <richedit.h>
+#include <msxml2.h>
+#include <shobjidl.h>
+#include <intshcut.h>
+#include <sddl.h>
+// System libraries for dutil
+#include <intsafe.h>
+#include <TlHelp32.h>
+#include <Strsafe.h>
+
+#include "wcautil.h"
+#include "wcalog.h"
+
+#include "dutil/dutil.h"
+#include "dutil/fileutil.h"
+#include "dutil/memutil.h"
+#include "dutil/procutil.h"
+#include "dutil/strutil.h"
+
+#include "cost.h"
+#include "caSuffix.h"
+
+// From ca/wcauti/precomp.h
+const WCHAR MAGIC_MULTISZ_DELIM = 128;
+
+// From dutil/inc/regutil.h
+#define ReleaseRegKey(h) if (h) { ::RegCloseKey(h); h = NULL; }