Merge pull request voxpupuli#394 from bastelfreak/rel510

release 5.1.0

add secrets to .{travis,secrets}.yml

start the 4.0.0 release cycle

Bump version to 3.4.2 in metadata.json

Release 3.4.1

Release 3.4.0

Release 3.3.1

Release 3.3.0

 * Fix a typo in hiera keys `php::settings` & `php::fpm::settings` (v…

…oxpupuli#83)