added export controller and view
Merge branch 'master' of https://github.com/alfrescian/codecamp48-ng-time-tracker
export: fixed conflicts
Conflicts:
	app/index.html
	app/scripts/app.js
	app/scripts/controllers/export.js
	app/views/export.html
Merge branch 'master' of https://github.com/alfrescian/codecamp48-ng-time-tracker
% export
Conflicts:
	app/index.html