Merge pull request #128 from thgreasi/master

Sorting no longer triggers $destroy for inner directives.
Merge pull request #129 from thgreasi/master

Linting abstractions, fixes and improvements.
Fix README typos.
Merge pull request #130 from bkad/patch-1

Fix a couple readme typos
Don't use 'use strict'; on the global scope

If this file will be concatenated with other files, it will enforce Strict Mode on all of the other code it's concatenated with.

Reference (under ```How do you use it?```):
http://www.nczonline.net/blog/2012/03/13/its-time-to-start-using-javascript-strict-mode/

By moving ```'use strict';``` inside the function, we can prevent that and still get the benefits.
Merge pull request #133 from alexilyaev/patch-1

Don't use 'use strict'; on the global scope
Removed globalstrict jshint option in favor of strict.