Add Accept: text/html header when processing an index
Merge pull request #1432 from dstufft/set-accept-header

Add Accept: text/html header when processing an index
Vendor pkg_resources and _markerlib from setuptools 2.0.2
Switch to importing the vendored pkg_resources
Remove the setuptools version check

With the vendoring of pkg_resources we no longer need to worry
about the version of the installed setuptools.
Have a nice error when setuptools is not available
Add setuptools bundling to the changelog
Work around python 2.6 not having ``python -m``
Merge pull request #1434 from dstufft/vendor-pkg-resources

Vendor pkg_resources
Use the raw stream to prevent decoding the response
Merge pull request #1435 from dstufft/use-raw-stream

Use the raw stream to prevent decoding the response
Dont' fail on ConnectionErrors
Merge pull request #1437 from dstufft/work-with-dns-errors

Don't fail on ConnectionErrors
updates docs related to using PEP438 options in requirements files
Upgraded requests to 2.2.0
Merge pull request #1447 from dstufft/upgrade-requests

Upgraded requests to 2.2.0
`get-pip`-first instructions, due to vendoring pkg_resources
consistent deprecation messages
Merge pull request #1451 from qwcode/deprecations

consistent deprecation messages
Explicitly test for setuptools and not pkg_resources