Rename Boost dir to facilitate updates
Boost library updated from v1.44.0 to v1.55.0
Rename Google Test dir to facilitate updates and move it to thirdparty
Google Test library updated from v1.6.0 to v1.7.0
Move log4cplus to thirdparty dir
Log4cplus library updated from v1.0.4 to v1.1.2
Update VirtualDub library to v1.10.1-test12 (MPC-HC)