Merge pull request #4 from gabriel-samfira/master

Set ramdisktftpblocksize to 8192
avoid hardcoded admin-server IP

by querying the current DHCP server at install-time
and using this IP to connect to its samba share
Merge pull request #5 from SUSE-Cloud/master

avoid hardcoded admin-server IP
fix crowbar admin server detection

this failed in SUSE QA cloud because two identical entries were returned

@ was needed because this failed when only one network port with admin-vlan
was available because powershell then returned the first char of the string
add debug output for DHCPServer value
Merge pull request #6 from SUSE-Cloud/master

fix crowbar admin server detection
Merge remote-tracking branch 'upstream/master'
Refactor build_winpe.ps1 for MaaS usage
Command line parameter for cdrom drive