Merge branch 'release/v2.1.1' into develop

* release/v2.1.1:
  Bump version to 2.1.1
Add test for multiple rss feeds.
Bump version to 2.1.2
Release to use a custom fixed version ofnode-rss.

* release/v.2.1.2:
  Bump version to 2.1.2
  Add test for multiple rss feeds.
Merge branch 'release/v.2.1.2' into develop

* release/v.2.1.2:
  Bump version to 2.1.2
Update rss dependency to version 0.3.2.
Bump version to 2.1.3.
Merge branch 'release/v2.1.3'

* release/v2.1.3:
  Bump version to 2.1.3.
  Update rss dependency to version 0.3.2.