Fixed typo in some help messages
Merge pull request #955 from Zearin/master

Fixed typo in some help messages
Remove link to old issue comment.  Issue #1064 has better description and solution.
Remove the changelog from the PyPI page and add links to it and the installation docs.

Also some minor stylistic changes.
Moved a recursive import.
Ignore everything in tests.
Merge branch 'release-1.4' into develop
Updated authors file.
Fixed inconsistencies in changelog.
cleanup 1.4 changelog further
More doc updates.
Bumped version up a notch.
Updated get-pip.py
Minor edit in changelog.
Merge tag '1.4'

Awesome release with wheel support and more.

# gpg: Signature made Tue Jul 23 22:52:29 2013 CEST using DSA key ID 0171DF30
# gpg: Good signature from "Jannis Leidel <jannis@leidel.info>"
# gpg:                 aka "Jannis Leidel (Gmail) <leidel@gmail.com>"
# gpg:                 aka "Jannis Leidel (Work key) <jannis@enn.io>"
# gpg:                 aka "Jannis Leidel <jezdez@mozilla.com>"
# gpg:                 aka "[jpeg image of size 138757]"
Merge branch 'master' of github.com:pypa/pip
Merge branch 'release-1.4' into develop

Conflicts:
	pip/__init__.py
Don't ignore already installed pre-releases
Merge pull request #1075 from dstufft/always-consider-installed

Don't ignore already installed pre-releases
Don't ignore already installed pre-releases