Removed static declaration of clock_gettime because of linker error

Tested with Win8.1 x64
mingw32-i686-4.8.3-release-win32-sjlj-rt_v3-rev0
cmake-2.8.12.2-win32-x86
Include winsock2.h before windows.h
Fixed calibration for windows 8
Separated calibration device from input device
Added basic support for the navigation controller