tidying up dashboard
Merge branch 'dev' of https://github.com/whittakersc/waza-task into simon

Conflicts:
	app/assets/stylesheets/task.css.scss
	app/views/tasks/index.html.erb
	app/views/tasks/projects.html.erb
added thumbnail images
Merge branch 'dev' of https://github.com/whittakersc/waza-task into simon

Conflicts:
	app/views/tasks/index.html.erb