use fast test environment for setuptools and distribute
Fix window test failure. Fix issue #875
simplify sitecustomize tests
reset_env tests
better debugging for sitecustomize test
Ship CA certificates in get-pip.py

This will allow rebuilding the get-pip script with
a recent pip version, one that downloads pip more securely.
get-pip.py: accept cli flags
get-pip.py: rebuild
more debugging for sitecustomize patch test
delete __pycache__ after sitecustomize updates
Merge pull request #893 from qwcode/fast_tests

use "fast" test environment for setuptools and distribute
Merge pull request #895 from g2p/develop

get-pip.py: ssl and --user support
Use quoted-printable as the inner encoding.

This compresses a lot more efficiently (get-pip.py.gz is within 12% of tar czf).
get-pip.py: rebuild

quoted-printable is a size gain of about 30%, before or after gzipping.
Merge pull request #896 from g2p/develop

Tweak the install-packer's inner encoding
Use bz2 instead of gzip as the intermediate encoding.

bz2 is available since Python 2.3.
get-pip.py: rebuild

Now we're down to 267K, 202K gzipped.
Merge pull request #897 from g2p/develop

Now using bz2 instead of gzip inside get-pip.py
remove python 2.5 logic
Merge pull request #900 from qwcode/drop_py25

remove python 2.5 logic