Reintroduce Python2.6 support.
Fix travis on python2.6
Fix version check.
Add unittest2 to tests_require on python2.6
Don't use ConfigParser(allow_no_value=True) as it's not supported on Python2.6
Spelling Fix.
Add NEWS entry.
Merge branch 'python2.6'

* python2.6:
  Add NEWS entry.
  Spelling Fix.
  Don't use ConfigParser(allow_no_value=True) as it's not supported on Python2.6
  Add unittest2 to tests_require on python2.6
  Fix version check.
  Fix travis on python2.6
  Reintroduce Python2.6 support.
Merge branch 'python2.6', which reintroduces python2.6 support.

If you care about Python 2.6, please let me know and please do report
when you see breakage on python2.6.