rename tabnames to nametags

I think it's a more descriptive name

nametags.py

@@ -0,0 +1,37 @@
+from helpers import *
+
+##############################################################
+#                                                            #
+# This module automatically puts people in the corresponding #
+# scoreboard team so that their name is colored properly and #
+# tab will be nicely sorted.                                 #
+#                                                            #
+##############################################################
+
+ranks = ["visitor", "member", "builder", "trusted", "modintraining", "mod", "admin"]
+# prefixes are used for sorting in the tab list
+prefixes = {"admin":"a", "mod":"b", "modintraining":"c", "trusted":"d", "builder":"e", "member":"f","visitor":"g"}
+
+@hook.event("player.PlayerJoinEvent", "low")
+def on_player_join(event):
+    player = event.getPlayer()
+    team = get_team(player)
+    if team:
+        cmd = "scoreboard teams join %s %s" % (team, player.getName())
+        server.dispatchCommand(server.getConsoleSender(), cmd)
+
+def get_rank(player):
+    player_rank = None
+    for rank in ranks:
+        if not player.hasPermission("group.%s" % rank):
+            break
+        player_rank = rank
+    if not player_rank:
+        warn("Couldn't find rank for player %s" % player.getName())
+    return player_rank
+
+def get_team(player):
+    rank = get_rank(player)
+    if rank:
+        prefix = prefixes.get(rank)
+        return "_".join([prefix, rank])