Delete button to on hold until add button is done
Merge branch 'deleteandaddideakw' of https://github.com/akesulah/appideas into development

Conflicts:
	app/views/layouts/application.html.haml
Add possibility to remove a keyword attached to an idea using a x-button

On an idea's page, a keyword can be removed from that idea by clicking the x-button that is after the keyword in the sidebar. Testing the buttons will be done later. This resolves #45.
Add possibility to remove a keyword attached an idea from a x-button

On an idea's page, a keyword attached to that idea can be removed by clicking the x-button after its name in the sidebar. Resolves #45.