Adding tests.
Allow for multiple feeds.
Bump to version v2.1.0.
Merge branch 'release/v2.1.0'

* release/v2.1.0:
  Bump to version v2.1.0.
  Allow for multiple feeds.
  Adding tests.
Merge branch 'release/v2.1.0' into develop

* release/v2.1.0:
  Bump to version v2.1.0.
Be compatible with previous configuration format.
Bump version to 2.1.1
Be compatible with previous configuration format.

* release/v2.1.1:
  Bump version to 2.1.1
  Be compatible with previous configuration format.
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.
Merge pull request #3 from apelsophiebarat/master

Allow for multiple feeds and adding tests.