Improve css and frontpage
WIP tests
Tidy up gemfile and gitignore, add secret-token generator
Added StaticPages controller
Moved homepage content to staticpages
Added RSpec, and tests for static_pages
Added about page
Add dynamic page titles to layout
Add title helper
Add contact page
Add links to header/footer
Add initial scanner controller test
Shared_examples and application_helper tests
Allow duplicate names, add index for unique devices
Add spec tests for scanner
Convert remaining TestUnit tests to RSpec
Add favicon and logo to topbar