move config info from 'sxserver status' to 'sxsetup --info'
fix regression in sxadm node --info listing
Add --exclude and --include options to sxcp (bb#31)

Give --exclude to skip files matching given pattern. When --include is
given, only files matching pattern will be copied.
Cosmetics
Do not check directory names for exclusions
Check alias correctness early in sxinit (comment 1 in bb#830)