Installed devise, users, bootstrap, todolists model, controller

Installed devise, created users model, todolists model and controller
with new,create,edit, index views and installed bootrsap
task rake and delete to-do item work

Blocitoff deletes items completed and task rake deletes items 7 days old
Merge pull request #3 from mabaroa/my_new_branch

Installed devise, users, bootstrap, todolists model, controller