Fixed rspec tests for the project members also fixed the index

app/controllers/projects/project_members_controller.rb

app/views/projects/project_members/_index.html.haml

...ws/projects/project_members/_new_project_member.html.haml

spec/controllers/projects/project_members_controller_spec.rb

...ures/projects/members/anonymous_user_sees_members_spec.rb

spec/features/projects/members/group_members_spec.rb

...s/members/master_adds_member_with_expiration_date_spec.rb

spec/features/security/project/internal_access_spec.rb

spec/features/security/project/private_access_spec.rb

spec/features/security/project/public_access_spec.rb