fixed su to only assume --login without --envcr --netcr
fixed su RunAs options for --envcr --netcr --savcr
use runas /netonly to force elevated local login instead of domain login.
use runas /netonly to force local login instead of domain login.
service.sh wrapper for wrapping GNU/Linux service command to cygrunsrv services
-v/elev: elevate login credentials (no prompt)
cygwin and syswin installation and integration scripts
support for character optarg type; formatting
