Problem: Multiple prelude header with the same content will colide.
Solution: Use zeromq/zproject#15 update to remove _prelude for autotools
Merge pull request #273 from sappo/master

Problem: Multiple prelude header with the same content will colide.
Merge pull request #274 from hintjens/master

Revert "zyre_new uses its address instead of generating random ids."
Problem: Switch to zproject broke doc build
Solution: Fix it with zyre/zproject#15
Merge pull request #275 from sappo/master

Problem: Switch to zproject broke doc build
Problem: zproject was generating zyre_prelude.h

Solution: fix zproject, and regenerate project here.
Problem: lagging behind zproject

Solution: generate project and store results.