highly extensible c++ log library on windows system forked from https://svn.baidu.com/app/gensoft/bull/trunk/bdlog:816

bdlog include: bdlog library; bdlogview, a GUI tool for viewing bdlog pipe device output; testbdlog, for bdlog functional testing.

[bdlog] files for wrapping log functionality into DLL [bdlogview] bdlogview source [build] vcprojs for building [doc] documents [include] [detail] bdlog implementation bdlog.h bdlog interface bdlog_util.h bdlog util interface accutime.h bdlog sync time reader bdlogprovider.h bdlog pipe receiver and file reader (bdlogprovider.h) [testbdlog] functional test [thirdsrc] third party source, only used by bdlogview and testbdlog [tools] misc util