Move descriptions of homeworks to task-3
Merge branch 'master' of github.com:apohllo/ror-tasks
Extend the description of the task
Notes about branches
Git remarks at the beginning of the exercise
Introduction for TDD
Description of SRP and loose coupling
Cohesion, LoD, DRY
Delegation
Merge branch 'master' of git://github.com/apohllo/ror-tasks