Fix typo
Fixing issue #712.

This commit adds documentation to the getting started guide which describes that
articles must contain a manually set 'date' metadata attribute unless the
DEFAULT_DATE setting is specified.

This fixes some incorrect documentation behavior discussed in the ticket.
Merge pull request #718 from mankyd/null-attribute

Fix null attributes in new HTML parser
Merge pull request #717 from rdegges/master

Fix issue #712
Merge pull request #713 from vially/patch-1

Fix typo in documentation
Add a pages_generator_finalized signal.

I wrote a plugin that I'd like to also be able to run on pages in
addition to articles. Adding this signal will let me update the content
when a page is finished being generated.
Merge pull request #721 from mankyd/log-error

Fix String Formatting Errors
Merge pull request #719 from streeter/pages_generator_finalized

Add a pages_generator_finalized signal.
support inline summary specification

update documentation

change summary cutoff to a plugin

remove backup file

fix 3.2 tests

update summary plugin initialization and documentation

update documentation