Fix PHP Fatal error

Call to a member function absolutize() on a non-object in Samurai/Console/Task/AddTaskList.php on line 123
Merge pull request #1 from jiska/fix-spec

Fix PHP Fatal error
add db:migrate task.
Merge branch 'feature/3.0' of github.com:samurai-fw/samurai into feature/3.0
Consider camelized column.
Merge pull request #2 from jiska/fix-onikiri

Consider camelized column.
supported db:rollback.
supported add:migration task.
pending to skipping.
fixed error.
supported db:status task.
supported db:reset and db:refresh.
supported db:seed task.
seeder is task callable.
supported add:model task.
Add getScore method to Redis.
Merge pull request #3 from jiska/works-datastore-redis-get-score

Add getScore method to Redis.
Add spec for Samurai\Samurai\Component\DataStore\Redis
Format Code, PHPDOC
Add methods, get sorted sets with score from redis.