update comment documentation for sample object
add logic to check if layer is visbile when determining style for rows
update pubsub docs
Merge pull request #210 from ozone-development/enhancement/209/datagrid-add-style-showing-layer-visibility

Enhancement/209/datagrid add style showing layer visibility
set context menu to hide after its been hovered-off
Merge branch 'develop' of github.com:ozone-development/meridian into enhancement/211/context-menu-for-datatable-rows

* 'develop' of github.com:ozone-development/meridian:
  update pubsub docs
  add logic to check if layer is visbile when determining style for rows
  update comment documentation for sample object
add support for context menu to hide/show a feature and refresh data instead of rebuild