Open files for 'exec()' w/ universal newlines.

Fixes #130.

The SSL patch file was recently renamed[1], and then fixed to apply
against 2.6.9rc1[2].

[1] https://github.com/collective/buildout.python/commit/ad45adb78bfa37542d62a394392d5146fce5af34
[2] https://github.com/collective/buildout.python/commit/8d58e4b2bc67ef67d97013a66e8aa4669b3a37a1

Since buildout is still building Python 2.6.8 we should use a URL to a
version of the patch that applies to 2.6.8.

I noticed this problem while idly browsing Travis CI:
https://travis-ci.org/buildout/buildout/jobs/12570074

Add BUILDOUT_HOME to specify alternate configuration source.

Fix typos.

Use the official, non-version-pinned version.

Fix English speling in README.rst

distutils scripts -- correct order of operations 

distutils scripts -- correct order of operations so 'from ... import' lines are correctly recognized.

Fix test failure due to new setuptools/distribute

Nowadays setuptools always unzips eggs.  Add a renormalizer (one that
was already used for a different test file) so that either zipped or
unzipped setuptools egg is acceptable.

removed documentation about obsoleted 'per section python'

Documentation fix: Mac OS -> Mac OS X and correct short string.

The source code maps `macosx` to `'darwin' in sys_platform`, so this is definitely Mac OS X and not the *old* Mac OS.