Currently the comment row assumes somehow that there are
only comments displayed from one node, so it uses just a single node_load per row.
Changed this to load all used nodes in the pre_render so it saves all this heavy loading.

#1156198 by dereine: Fix strict error in views_handler_field_comment_username when no stdClass() was created

#1056694 by nicholasThompson: Update comment rss handler to use created field and use field_get_items method

#1101880 by ksenzee: Hide comment links on settings. Additional add a better summary title and a better optiond description for the wizard

#975400 follow up by bojanz: Give field::sanitize_value more power and fix some issues with get_value.

Change the summary form's "Number of records" checkbox to radio buttons, with a description of the default sort order where possible.

+#1006482 by dereine: Fix filter: user posted or commented handler.
 #870960 by bojanz, dereine: Field label should derive from field Label, not field name.
 +#1056824 by greggles: Rename the displayed permission from "access all views" to "bypass views access control".

Sync the changelog with git.

#669636 by dereine and bojanz: Convert the rest of the field handlers that have link options to use the advanced render.

#366886 by Scott Reynolds: For "last comment time" if "count zero is empty" is set, use empty text for nodes with no comments.