If an older theme wasn't already using a custom action for meta, this will default back to the way it was before framework 2.5

blog-meta-legacy.php

<?php
/**
 * If an older theme wasn't already using a custom 
 * action for meta, this will default back to the 
 * way it was before framework 2.5
 */
function theme_meta( $input ) {

	// Separator
	$sep = apply_filters( 'themeblvd_meta_separator', '<span class="sep"> / </span>' );

	// Start output
	$output  = '<div class="entry-meta">';

	// Time
	$time = sprintf('<time class="entry-date updated" datetime="%s"><i class="fa fa-calendar"></i> %s</time>', get_the_time('c'), get_the_time( get_option( 'date_format' ) ) );
	$output .= $time;

	// Author
	$author_url = get_author_posts_url( get_the_author_meta('ID') );
	$author_title = sprintf( __( 'View all posts by %s', 'themeblvd_frontend' ), get_the_author() );
	$author = sprintf( '<span class="author vcard"><i class="fa fa-user"></i> <a class="url fn n" href="%s" title="%s" rel="author">%s</a></span>', $author_url, $author_title, get_the_author() );
	$output .= $sep;
	$output .= $author;

	// Category
	$category = '';
	if ( has_category() ) {
		$category = sprintf( '<span class="category"><i class="fa fa-bars"></i> %s</span>', get_the_category_list(', ') );
		$output .= $sep;
		$output .= $category;
	}

	// Comments
	$comments = '';

	if( comments_open() ) {

		$output .= $sep;
		$comments .= '<span class="comments-link">';

		ob_start();
		comments_popup_link( '<span class="leave-reply">'.themeblvd_get_local( 'no_comments' ).'</span>', '1 '.themeblvd_get_local( 'comment' ), '% '.themeblvd_get_local( 'comments' ) );
		$comment_link = ob_get_clean();

		$comments .= sprintf( '<i class="fa fa-comment"></i> %s', $comment_link, $sep );
		$comments .= '</span>';

		$output .= $comments;

	}

	$output .= '</div><!-- .entry-meta -->';

	return $output;
}
add_filter( 'themeblvd_meta', 'theme_meta' );