Rename directive namespace to lr.upload, since that seems to be the standard
To make angular not include a header it needs to be set to undefined not false. closes #2

See https://github.com/angular/angular.js/blob/master/src/ng/http.js#L544
And
https://github.com/angular/angular.js/blob/master/src/ng/httpBackend.js#L64
Documentation
Change names to reflect best practices in grunt naming
IE cache bust
1.0.0
Travis Build
Merge branch 'master' of github.com:leon/angular-upload

Conflicts:
	README.md