Fix required dependencies
Update man page

Fix --debuglua option name.
Fix broken cross-refs in doc
Add Haka workshop to doc
Add workshop code unit tests
Fix workshop tests

The tests had a dependency on the doc, it is now removed.
Make check_wait args identical on blocking and classic iterator
Add until() option to bytes

The option takes a regexp in argument
Fix indent
Fix bytes-until getting a partial and then on match
Merge branch 'feature/bytes-until' into develop
Add missing header to install target for luajit
Share smtp code between workshop and tutorial
Fix transition name in doc
Use untiltoken for smtp data
Fix chunked mode with untilcond

The last flag was not correctly passed to the chunked callback.
Fix typos in smtp tutorial
Fix typos in haka workshop
Add license header to workshop files
Add function to skip empty chunk for iterators

If a buffer start by a control node, the flatten iss unable to proceed.
This function allows to skip such nodes.