change compiler to vc++, and another technical changes

change qt from mingw edition to msvc2013 edition, change compiler to
visual c++, change debugger to windows 8.1 sdk, change opencv version to
2.4.9 compiled in cmake with visual studio 2013, make the tolerance
bigger, and add more text to message box so it can easly read by user,
debugging time is faster than using mingw when debugging in windows
embedded 8.1 industry pro, but still have some issues with the
"Exception at 0x76931d4d, code: 0x6ba: RPC server unavailable, flags=0x1
(execution cannot be continued) (first chance)", "Exception at
0x76931d4d, code: 0x800706b5: , flags=0x1 (execution cannot be
continued) (first chance)", stuck when checking rule of thirds, and the
overflows are strike back now with three problems, x y and distance from
nearest intersection.