Add global and per-browser settings (issue #145).

This exposes the following new capabilities:
- Ability to disable drag & drop from other windows.
- Ability to specify additional plugin search paths.
- Ability to customize WebPreferences values, including enabling cross-site scripting.
- Ability to set User-Agent or product version.
- Ability to set default locale.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@144 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

libcef_dll/wrapper/libcef_dll_wrapper.cc

@@ -25,11 +25,10 @@
 #include "libcef_dll/ctocpp/zip_reader_ctocpp.h"
 
 
-bool CefInitialize(bool multi_threaded_message_loop,
-                   const std::wstring& cache_path)
+bool CefInitialize(const CefSettings& settings,
+                   const CefBrowserSettings& browser_defaults)
 {
-  return cef_initialize(multi_threaded_message_loop, cache_path.c_str())
-      ?true:false;
+  return cef_initialize(&settings, &browser_defaults)?true:false;
 }
 
 void CefShutdown()