change the documentation for unix
change the documentation for unix

the testsuite in Futon is not linked anymore (/_utils/couch_tests.html)
but there is the verify installation page. Changed the docs accordingly.

fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb