WFLY-130 make add-user.sh work under cygwin environment
WFLY-130 make add-user.sh work under cygwin environment

iweiss/wildfly,pferraro/wildfly,jstourac/wildfly,tomazzupan/wildfly,golovnin/wildfly,tomazzupan/wildfly,jstourac/wildfly,golovnin/wildfly,tadamski/wildfly,wildfly/wildfly,golovnin/wildfly,rhusar/wildfly,rhusar/wildfly,wildfly/wildfly,tadamski/wildfly,jstourac/wildfly,iweiss/wildfly,pferraro/wildfly,rhusar/wildfly,pferraro/wildfly,xasx/wildfly,iweiss/wildfly,tomazzupan/wildfly,wildfly/wildfly,99sono/wildfly,rhusar/wildfly,99sono/wildfly,pferraro/wildfly,jstourac/wildfly,xasx/wildfly,tadamski/wildfly,xasx/wildfly,iweiss/wildfly,99sono/wildfly,wildfly/wildfly