Correct paths reported so they are relative to the reported location of the package

fixes #1932
remove duplicate 'if cr == (0, 0):' in get_terminal_size
minor fixes to changelog
Raise NotImplementedError (not NotImplemented)

NotImplemented is a singleton intended for use in __eq__ methods where comparison is not possible for some reason.
merge
don't complain about localhost when checking security of index links

based entirely off of Guy Rozendorn's work in PR #1718
Merge pull request #1967 from r1chardj0n3s/insecure-localhost-exception

don't complain about localhost when checking security of index links
Merge pull request #1933 from r1chardj0n3s/wheel-file-list

Wheel file list
Fix pull / issue syntax
Try to order changelogs by PR number.
Merge branch 'develop' of github.com:r1chardj0n3s/pip into link-tuple-removal
revert bug fix