Don't tell pip to use mirrors anymore

The mirrors don't add any value now that pypi has a really good CDN
Missed some old spots re: ECDSA docs still being epydoc
Merge branch '1.15'
Merge branch '1.15'
Merge pull request #397 from alex/patch-4

Don't tell pip to use mirrors anymore
SSHConfig.get_hostnames: List literal hostnames from SSH config
Changelog re #167
Merge branch '1.15'

Conflicts:
	sites/www/changelog.rst
Merge branch '1.15'
Merge branch '1.15'
Converted all staticmethod/classmethod instances to decorators.
Property decorators
Merge branch '1.15'
Merge branch '1.15'
Merge branch '1.15'
Merge branch '1.15'
Merge branch 'master' into 419-int
Changelog re #419, closes #419