Add a getSourceByHandle() method to AssetSourcesService

[angrybrad]

Created by: Gavin Anderegg ([email protected]) on 2015/03/10 17:27:39 +0000
Votes at time of UserVoice import: 2

---

Currently the only way to get a specific asset source is to look up its ID and store it for later. This is a pain, and in some cases makes code a bit harder to read when you only ever care about one source. It would be great to look things up by handle instead.