fix(filters): changed filters so that they return undefined rather than '' if the input is undefined, this is to prevent one time binding from breaking when being used with filters
fix(filters): fixed unit test
Merge branch 'develop' into feature/NOW-544
feat(rnr syndication):added type button to widget type tabs
feat(rnr syndication):added type button to widget type tabs
Merge pull request #194 from lithiumtech/feature/NOW-544

Feature/now 544