* targets are now created in top-level build directory
* more things are now configured through CMake options
* changed debug build detection from NDEBUG to DEV_BUILD
* moved po and desktop directories
* moved last unit test out of src directory
* changed win32 implementation to QueryPerformaceTimer system function
* refactored system utils code
* proper tests for time utils and update event creation in application
* should fix issue #134
Piotr Dziwinski