Get rid of the unix shell color characters '[32m.[0m[32m.[0m' when running rspec

Change-Id: Idf648cee8f5743b24c8c490f29aeb6601773d379
A third test case for not yet existing page 'About'

Change-Id: Iefa9b72bfc5c6a5b1ff7f045f69e6c55cbd5a1cd
Still RED: First add /static_pages/about to routes.rb

Change-Id: I322ed825823d4be2fededec42489d55939efdbb0
Still RED: Add method 'about' to StaticPagesController

Change-Id: Iaabe4c67e3512fc2a4b8f9f0504e952be1c7a43b
Now GREEN: Add app/views/static_pages/about.html.erb

Change-Id: I937323cd4e47ca467d73fa6720ac1221cedffe2a