Merge pull request #25 from mknoszlig/master

Problem: no CI for hydra project
Switch to using zproject.gsl
Problem: out of sync with latest zproject

Solution: regenerate the project files

Note: fails on man page generation, to be fixed asap.
Problem: not generating documentation properly

Solution: upgrade to latest zproject which does this.
Merge pull request #26 from hintjens/master

Generating man pages
use inproc transport for tests.