Merge pull request #63 from TitanMKD/master

hackrf-tools make install/uninstall feature implemented, update libhackrf with make uninstall feature.
windows
windows, pt2
libhackrf: gain control
firmware: gain control
windows, pt3
firmware: fix plus 16db tx gain
tools: msvc signal handling
host: modify the cmake build system, there is a new top dir cmake file that builds everything
lib/msvc: do not swallow the static lib
libhackrf: findlibhackrf should try to find libhackrf in /usr/include, too
libhackrf/firmware: merge txvga gain into one gain range of 0-47
Merge pull request #65 from Hoernchen/master

gain + windows
but need to fix '#define false 1' bugs
fix #define false 1