Added idea model and tests.
Added controller and tests.
Implemented new and show actions.
Implemented edit and update.
Implemented idea list for relationships.
Removed unnecessary route.
Added some styling to the idea list with some placeholders for information.
Made the 'completed' button smaller to fit on one line.
Fixed idea list with 2+ ideas.
Added a show partial for Idea to give a more detailed view.
Fixed idea show.html.erb.
Idea links now show the full idea display on the right.
Changed the styling of the idea overview titles.
Implemented delete option for ideas.
Fixed redirect on destroy.

If done from the relationship page, it redirects back to that page. Alternatively, from the idea show page, it will redirect back to user home.
Now redirect back to relationship page on new idea.
Merge pull request #4 from matthew-parlette/add_ideas

Add ideas