s5.2.4.1 - Nest the Task and Note Controllers inside Projects
s5.2.4.2 - Remove Task and Note links on Header
s5.2.4.3 - Create link for user to create a project task and note
s5 - saving tutorial state around steps s5.2.4.*
s5.2.4.4 - Redo Task index/_form/show view files to reflect the being nested under Project
s5.2.4.5 - Change the mailer url for a created task
s5.2.4.6 - Update the Task Controller to handle nested tasks