Function: This function was originally used to update pre-1.1 schemas, but that was before we had a legitimate update process.

Function: On multiblog installations you must first allow themes to be activated and show up on the theme selection screen. This function will let the BuddyPress bundled themes show up on the root blog selection screen and bypass this step. It also means that the themes won’t show for selection on other blogs.

Function: No longer used by BuddyPress core

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