participants#search: adds sorting by columns
Got all tests running and passing
Merge branch 'master' into tdd
Added a few testing gems to Gemfile
Added rspec, guard and a first spec
Indentation fix
Changed environment.rb to remove annnoyning warning about mime types
Merge branch 'master' into tdd
Host: bootstrap, database and routes
fixed schemafile
participants#index spec passing
Merge branch 'tdd' into hosts_tdd

Conflicts:
	app/views/hosts/index.html.erb
Merge branch 'master' into hosts_tdd
Removed testing gems that were not very useful
Identation
Added hosts to tabs
Changes to host
Host related changes in participant
Merge branch 'master' into hosts_tdd
Hosts#show consistency in links and a bit of spacing