Changed tests to match additions to Project and Tag models.
Added sequence to Tag factory to fix random problems with 'text already taken'.
Added lat and long to prject serialiser.
Removed Google Maps from home template.

modified:   app/assets/templates/home.html
modified:   app/serializers/project_serializer.rb
modified:   config/initializers/secret_token.rb
modified:   spec/controllers/projects_controller_spec.rb
modified:   spec/controllers/tags_controller_spec.rb
modified:   spec/factories/project_factory.rb
modified:   spec/factories/tag_factory.rb
modified:   spec/factories/user_factory.rb