Strip redundant logging config from tutorial INI files.

Leave it for the 'logging' and 'scaffolds' sections, where it is germane.
Remove repeated word.

Remove repeated `use` word.
Improving `X-Vhm-Root` paragraphs.

Improving text of `X-Vhm-Root` paragraphs in `Other Backwards Incompatibilities` section.
Typo found in second Declarative code block

There were two import statements for Configurator.
I removed the second import statement in the "__main__" since most of the
documentation declares all imports on the top of the source.

	modified:   configuration.rst
Merge pull request #1323 from bmess/narrative_typo

Typo found in second Declarative code block
Merge pull request #1321 from omidraha/patch-1

Improving `X-Vhm-Root` paragraphs.
Replaced five minutes with one hour
Update static.py
Merge pull request #1327 from invisibleroads/patch-1

Replaced five minutes with one hour
require ISession.invalidate to leave behind a usable session
fix #1253
- spelling
Merge pull request #1330 from stevepiercy/master

- spelling
- add cookbook to intersphinx mapping
Merge pull request #1331 from stevepiercy/master

- add cookbook to intersphinx mapping
- looks like _ are now - in RTD
Merge pull request #1332 from stevepiercy/master

- looks like _ are now - in RTD
- add a reference
Merge pull request #1333 from stevepiercy/master

- add a reference
Order of response_callback in the docstring