rename diaspora2bb() to markdown_to_bb() to reflect that is has a more generic use

include/Import/import_diaspora.php

@@ -89,7 +89,7 @@ function import_diaspora($data) {
 	}
 
 	$gender = escape_tags($data['user']['profile']['gender']);
-	$about = diaspora2bb($data['user']['profile']['bio']);
+	$about = markdown_to_bb($data['user']['profile']['bio']);
 	$publish = intval($data['user']['profile']['searchable']);
 	if($data['user']['profile']['birthday'])
 		$dob = datetime_convert('UTC','UTC',$data['user']['profile']['birthday'],'Y-m-d');

include/bb2diaspora.php

@@ -123,7 +123,7 @@ function diaspora_mention_callback($matches) {
  * @param boolean $use_zrl default false
  * @return string
  */
-function diaspora2bb($s, $use_zrl = false) {
+function markdown_to_bb($s, $use_zrl = false) {
 
 	$s = str_replace("
","\r",$s);
 	$s = str_replace("
\n>","",$s);