Add contributor edition - added viaf resolver - improve contributors list display - add update of document objects - propagate update to back office - update back office - add bo-client to back office - setup language initializer - add options mechanism - add language information in language list - add lexvo resolver service + api - add language and lexvo resolver to js app - correct env template - refresh bootstrap - download google font - add version information - update dev virtual machine to centos7 - add a readme + clean folders - add local .env file to start commands

---
.travis.yml:
  forge_password: "GYBg84VC7Mx8BhAJ/56VjPU8tctatVVafGjuM9rJVmvJpbHkTz+XORHkvdVxCCkAkiq0/NZjwWpbxkQGMz0MxnXT5V/H90+h6YRHnWIEEqlW+5dR76uKZ9mO65cqk+l8UA+GUr5ZWKTS0fEJzjNR8aFM56DaM1u+SWIfjBXfE0k="