Creature page overhaul

Updates the creature pages to show more information.
You will need to reload your creatures.
-modifies database with migration 31
-small customisations are allowed via config file.
-functions added, getMonsterLink, getItemRarity, getCreatureImgPath, left, right,
-added functions to twig.
-view elements, immunities, summons, voices, loot, pushables, canpush, canwalk, runonhealth,hostile,attackable,rewardboss,defense,armor
-filter bosses
-show list as picture preview or names list

system/twig.php

@@ -24,16 +24,31 @@ $function = new TwigFunction('getStyle', function ($i) {
 });
 $twig->addFunction($function);
 
+$function = new TwigFunction('getCreatureImgPath', function ($i) {
+	return getCreatureImgPath($i);
+});
+$twig->addFunction($function);
+
 $function = new TwigFunction('getLink', function ($s) {
 	return getLink($s);
 });
 $twig->addFunction($function);
 
+$function = new TwigFunction('generateLink', function ($s, $n, $b = false) {
+	return generateLink($s, $n, $b);
+});
+$twig->addFunction($function);
+
 $function = new TwigFunction('getPlayerLink', function ($s, $p) {
 	return getPlayerLink($s, $p);
 });
 $twig->addFunction($function);
 
+$function = new TwigFunction('getMonsterLink', function ($s, $p) {
+	return getMonsterLink($s, $p);
+});
+$twig->addFunction($function);
+
 $function = new TwigFunction('getGuildLink', function ($s, $p) {
     return getGuildLink($s, $p);
 });