Made it so that the navigation links in the header remain white and
that they don't become underlined after visited

 On branch master
 Changes to be committed:
	modified:   app/assets/stylesheets/application.css

 Changes not staged for commit:
	modified:   Gemfile
	modified:   Gemfile.lock

 Untracked files:
	../.project
	.project
	app/assets/images/crimson-star_logo_sm.png
	config/cucumber.yml
	features/
	lib/tasks/cucumber.rake
	script/
	../notes/