Minor bug fixes

In this release a small bug is fixed which did not correctly pick up links between entity packages using the suggest dependency.

Less interfaces

Merge pull request #7 from hboomsma/feature/interface

no more useless interfaces

Conditional traits

Merge pull request #6 from hboomsma/hotfix/suggest

bugfix for non link suggests

Conditional traits

Merge pull request #5 from nicoschoenmaker/feature/github-token

Removed (revoked) github token from config.