Nest ng-include inside header.

AngularJS 1.2 does not support ng-repeat and ng-include on the same
element. The official solution is to place the ng-include element
directly inside of ng-repeat. See comment from @matsko at
https://github.com/angular/angular.js/issues/3584#issuecomment-25279350
for more information.
Merge branch 'angularjs-1.2-fix'

Conflicts:
	Smart-Table.debug.js
	Smart-Table.min.js
Enable auto watch in karma.
Correctly sort by ascending order first.
The proper definition of ascending order is A to Z, 0 to 9. Before this commit Smart-Table incorrectly interpreted ascending order is Z to A, 9 to 0
See issue #60 https://github.com/lorenzofox3/Smart-Table/issues/60 for more information.