Add user model specs
Rename ActionManager to UserManager
Add apps/modules to load path
Extract #new_key into module
Revert "Add apps/modules to load path"

This reverts commit 9fe5ee45b05e76c1b7b18b323cd12bfd7244b29d.
Some refactoring
Activate user immediately
Remove deprecated scripts
Add migration and un-ignore db/
Make attributes accessible
Add migration to ask tasklist_id to tasks
Add migration for tasks_count
Add tasks_count to tasklists table as well
Install launchy gem