Fix validate -> validates
Fix update -> update_attributes
Update Readme.md
Add dependencies for task-5
Tests for task-5
Rakefile and implementation for task-5
Updated description of task-5
Merge branch 'master' of github.com:apohllo/ror-tasks
Formatting task-5
Final notes and corrections on the exercise
Ingore the SQLite db
Fix some wording
Merge branch 'master' of git://github.com/apohllo/ror-tasks

Conflicts:
	task-4/db/test.sqlite3