use /GL only for release builds
FollowUp to r652: http://code.google.com/p/commitmonitor/issues/detail?id=361#c7 Update issue #361
Build-patch from XhmikosR (Closes issue #361) : Build patch
Update all the external libs to the latest version and especially Subversion to the 1.7.x branch.