trim commented-out parts of docs/conf.py

proposed here:
https://groups.google.com/forum/?fromgroups=#!topic/pylons-devel/n2-7zvLWK3E
Removed unnecessary side bar with duplicate content

The side-bar contained a duplication of code that was already in the
main article. Adding a note instead and removing the side-bar provides
the same information without nearly as much duplication.
Merge branch 'master' of github.com:Pylons/pyramid
Docs: Make clear that installation is into the virtual enviornment.
support a None value in query string parameters
OCD: add back missing )
Merge pull request #1133 from mgedmin/patch-1

OCD: add back missing )
Add versioning to branch master
Used a parsed-literal to pin the version number on easy_install.
Used a parsed-literal to pin the version number on easy_install.
CONTRIBUTORS: Add Karl O. Pinc.
Merge pull request #1135 from kpinc/contributors

Contributors
Docs: project.rst: Match parenthesis & fix punctuation.
Docs: project.rst: Note that asset specs must be fully qualifed when moving views into a sub-package.
Docs: project.rst: Make the sentence more better.
Merge pull request #1136 from kpinc/qualify_assets

Qualify assets
Add comma
Merge branch 'master' of github.com:Pylons/pyramid
remove unused files
- Fix the ``pcreate`` script so that when the target directory name ends with a
  slash it does not produce a non-working project directory structure.
  Previously saying ``pcreate -s starter /foo/bar/`` produced different output
  than  saying ``pcreate -s starter /foo/bar``.  The former did not work
  properly.