Attempts to add projects_tools

But doesn’t quite yet do it.
Now permits project tool relationship

If only it would save!
Adds seeds

I’m tired of doing data entry, I don’t care what you say Alex!
Create now lets you specify tools!
Now allows updates for project tools
Adds ability to remove projects_tools
Merge branch 'master' into highpriority-james

Conflicts:
	db/schema.rb
Merge branch 'master' into highpriority-james

Conflicts:
	app/views/projects/_form.html.erb
	app/views/projects/show.html.erb
	app/views/shared/_tools_list.html.erb
Fixes bugs added by Alex
Corrects should create project test
Merge branch 'highpriority-james'