Merge pull request #14 from nickveenhof/8.x-1.x

More travis changes
Fix links and urls since l() en url() ar deprecated
Merge pull request #15 from mollux/8.x-1.x

Fix links and urls since l() en url() are deprecated
Update README.txt
Change entity routes to conform to the new standards + route fix
grr forgot toString()
follow-up of https://www.drupal.org/node/2300751
forgot 1 changed entity route
more follow-up on protected methods
Merge pull request #16 from mollux/8.x-1.x

Change entity routes to conform to the new standards + route fix