Add RequireJS 'errback' signature
AngularJS: Added promise hash signature to .all()
AngularJS: make IDirective.link() arguments optional
Add typing information for axes
Merge pull request #1646 from pelotom/vega-axes

Add typing information for axes
Merge pull request #1625 from coxm/master

Add RequireJS 'errback' signature; add AngularJS signatures.