Docs: Link from renderer narrative docs to example render_to_response call, and index the example.

More fully explain the 2 examples, one with render_to_response call
and one without.
Fixed an example

"from pyramid.view import view_config" instead of "from pyramid.view. import view_config"
Docs: renders.rst: Use punctuation to make sentence simpler.
Docs: renders.rst: Break sentence into two to simplify.
Docs: renders.rst: Make sentences short per IRC chat with committers.
Docs: renders.rst: Make sentences that everybody's happy with.
fix some broken positional args to sqlalchemy models
Docs: project.rst: Reword template reload note per Steve Piercy's suggestions.

Take care to retain the thought that the defaults setup by the
scaffold cause automatic template reload.

This patch should be applied before the docs_dict_note branch.
Merge branch 'doc_render_to_response2' of github.com:kpinc/pyramid into kpinc-doc_render_to_response2
Merge branch 'doc_reload_template_note' of github.com:kpinc/pyramid into kpinc-doc_reload_template_note
Merge branch 'master' into doc_interactive_dev
Docs: introduction.rst: Note that printf() works.