Windows: Update distribution DLLs and README.txt to match current Chromium requirements (issue #913).

git-svn-id: http://chromiumembedded.googlecode.com/svn/trunk/cef3@1146 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
Add new CefNowFromSystemTraceTime() method (issue #908).

git-svn-id: http://chromiumembedded.googlecode.com/svn/trunk/cef3@1147 5089003a-bbd8-11dd-ad1f-f1f9622dbc98