apply the patch metioned in #518

add libjansson flags to Makefiles
allow using a privileged port for block tranfer, Closes #597
Merge branch '3.0'
update msi/deb version to 3.0.4
[client] support not unsync a repo when not found on server
update msi/deb version to 3.0.5
Merge branch 'disable-unsync' into 3.0