2.2.1 (2017-03-05)
- Fire file not over event on file drop (#174) (7857213)
- any (6992551)
- check on files.length before filter (2fea156)
- fix spelling error (#175) (d2f08cf)
- types (b5bffcb)
- lint: fix linting errors (bab50bd)
- ngOnChanges: add parameter (8fc1ad9)
- unused variables (closes #206) (e1e1b16)