Included list rejection for task with blank name
Some template improvements
Improved some views and removed need of authentication for home controller
Now user can view its favorite lists
Added sign in and up links to app view
Corrected is_private error in form and included public lists view feature
Changed is_private field label
Made test to ensure is_private checkbox is working
Changed is_private label
Made test for favorites dependent destroy in list model
Improved show view