Made all STL usages explicit to be able automatically find all usages of
particular class or function.

reworked nearly all of the OpenCV tests (except for opencv_gpu tests) - they now use the Google Test engine.

updated 3rd party libs: CLapack 3.1.1.1 => 3.2.1, zlib 1.2.3 => 1.2.5, libpng 1.2.x => 1.4.3, libtiff 3.7.x => 3.9.4. fixed many 64-bit related VS2010 warnings