Add langpack.js
Merge remote-tracking branch 'zbraniecki/simpleres' into simpleres
Remove bindResource
Remove language negotiation with the langpack service
Error early in linkTemplate; add URI resources to _none OR all _locales
Invoke the callback also if any of the promises in all() is rejected
Locale.buildSync
L20n.IO.loadSync shouldn't use promises
Implement a synchronous Resource.build
Rewrite Resource.fetch
Remove public methods from Resource