Adds LICENSE.md with MIT license.
Merge pull request #19 from gradha/pr_adds_license_file

Adds LICENSE.md with MIT license.
Fixed selector warning
Cocoapod added
Merge commit '3c047d7c4e79db1b5f42d54746a0c2e2ffeec003'

Conflicts:
	IQKeyboardManager.podspec
Fixed demo