Import libucl 0.4.0
Import libucl version 2014-05-14 (almost 0.4.1)
This bring ucl_lookup_path (xpath like for ucl objects)
Fix "ndp -d hostname".
Import libucl 2014-07-16
Remove an obsolete man page.
Update libucl to the 2014-07-16 snapshot
This update brings streamlined ucl emitter support