Added definition and tests for angular-bootstrap-lightbox. (https://github.com/compact/angular-bootstrap-lightbox)
Update CONTRIBUTORS.md
Added correct headers
Merge branch 'angular-bootstrap-lightbox' of https://github.com/rolandzwaga/DefinitelyTyped into angular-bootstrap-lightbox
Merge pull request #2590 from rolandzwaga/angular-bootstrap-lightbox

Definition for angular-bootstrap-lightbox