Merge pull request #8 from slashrsm/2310595

Write tests for entity browser CRUD
Issue #2318681 by slashrsm: Add Travis support.
Merge pull request #10 from slashrsm/2318681

Add Travis support
Issue #2318927 by slashrsm: Remove legacy code.
Merge pull request #11 from slashrsm/2318927

Remove legacy code
Merge branch '8.x-1.x' into 2318503
Issue #2318503 by slashrsm: Extend FormInterface.