switching on unsafe-sanitizer for textAngular

otherwise, somehow, youtube videos don't work right
(it strips the ta-insert-video attribute from the
placeholder image and that contains the video URL)
Merge pull request #6 from easybiblabs/topics/unsafe-sanitizer

switching on unsafe-sanitizer for textAngular
Add sfAttr directive
Inherit all properties from form input
Add attributes to text input
Add datepicker attrs
Add attrs to submit
Add tests, ditch Object.create
Merge branch 'customChanges' into topics/attributes
Merge branch 'customChanges' into topics/attributes

Conflicts:
	dist/bootstrap-datepicker.min.js
	dist/bootstrap-decorator.min.js
	src/directives/decorators/bootstrap/datepicker/datepicker.html
Merge pull request #7 from easybiblabs/topics/attributes

Topics/attributes