Serialize non-scalar values when inserting meta
Eliminate reference to undefined variable

Argument was passed to wp_stream_post_insert_error action
Refactor widgets connector to track bulk changes and to add support for the customizer
Fix detection for sorted action
Track widget movement to other sidebars

Still have work to do to make this work properly in Customizer
Use a different string template mechanism which prevents args from being needlessly added to Stream meta
Use alternate summary template for handle_widget_reordering
Filter-out non-scalars from being applied to summary tpl
Update addition and deletion handlers to use new summary tpl
Re-work widget update callback to also track creates and deletes
Fix logic for looking up a multi widget instance
Prevent widget movement record if dealing with active/inactive widgets

Fix label for movement to reverse from/to sidebars
Use new tpl vars for summaries
Fix widget object lookup for newly-created widgets

Eliminate warning related
Turn deleted action into removed action for removing widget from sidebar

Fix typo in logging deletions
Remove moved action
Skip logging created and deleted actions by default
Break up moved record into one removed and one added record
Use experimental phpcs rule subset
Make the PHPCS WordPress ruleset directory
Apply PHPCS fixes and some phpDoc improvements
Merge branch 'master' into widget-customizer

Conflicts:
	connectors/widgets.php