missing CRs and modified %hostip
lib556/test556: use a real HTTP version to make test reuse more convenient
make sure the weekday in Date headers matches the date
test61: replace stray "^M" (5e 4d) at the end of a cookie with a '^M' (0d)
Gets the test working with external proxies like Privoxy again.
Closes#6463
Fixup the test to instead not compare the port number. It sometimes
caused problems like this:
"curl: (45) bind failed with errno 98: Address already in use"
Closes#4733
