Bump version to 1.6 for release
Bump version to 1.6 for release

libimobiledevice/libplist,Tatsh/libplist,libimobiledevice-win32/libplist,libimobiledevice/libplist,Tatsh/libplist,libimobiledevice-win32/libplist,libimobiledevice-win32/libplist,libimobiledevice/libplist,Tatsh/libplist,Tatsh/libplist,libimobiledevice-win32/libplist