use default minchars again

the tag list only returns a max of 10 results, and is only called once per autocomplete, making it harder to autocomplete longer tags

lib/shimmie.js

@@ -9,7 +9,7 @@ $(document).ready(function() {
 	//      Also use autocomplete in tag box?
 	$('.autocomplete_tags').autocomplete(base_href + '/api/internal/tag_list/complete', {
 		width: 320,
-		max: 15,
+		max: 10,
 		highlight: false,
 		multiple: true,
 		multipleSeparator: ' ',
@@ -17,8 +17,7 @@ $(document).ready(function() {
 		scrollHeight: 300,
 		selectFirst: false,
 		queryParamName: 's',
-		delay: 150,
-		minChars: 1
+		delay: 150
 	});
 
 	$("TABLE.sortable").tablesorter();