fixed subsystems according to specification

1) filled gaps between 
IMAGE_SUBSYSTEM_WINDOWS_CUI = 3
and
IMAGE_SUBSYSTEM_POSIX_CUI = 7 (not 4!),
and 
IMAGE_SUBSYSTEM_WINDOWS_CE_GUI = 9 (not 5!)
2) fixed total amount of subsystems from 10 to 14
Merge pull request #52 from TrueBers/patch-1

fixed subsystems according to specification