URL objects in library and OpenUI5 entry

- library URLs can be objects, to allow required script attrs
- additional OpenUI5 library, with 2 script attrs
URL objects in library and OpenUI5 entry

- library URLs can be objects, to allow required script or link attrs
- additional OpenUI5 library, with script attrs
Merge branch 'feature/openui5libs' of github.com:ui5org/jsbin into feature/openui5libs

Conflicts:
	public/js/editors/libraries.js
	public/js/editors/library.js
Removed extraneous line. Weird.
fixed use of $.extend to not modify default attr lists
Merge pull request #1220 from ui5org/feature/openui5libs

URL objects in library and OpenUI5 entry