Add on-the-fly rank calculation; change "subscribed" to "subscribed_to_scores"

vendor/vendor.json

@@ -201,10 +201,10 @@
 			"revisionTime": "2016-11-23T19:03:31Z"
 		},
 		{
-			"checksumSHA1": "ItsAqvnH+Qa+ewmWbnSxT6EzSBk=",
+			"checksumSHA1": "9wL5kcCkaY+bXT/mEp+67/M+6rU=",
 			"path": "zxq.co/x/getrank",
-			"revision": "e62f5bd6998d8d75fe3a2ff1becc9df06e88e3a6",
-			"revisionTime": "2016-05-28T18:25:35Z"
+			"revision": "97d2823cf77de9e0c95e89485df768518b6262a9",
+			"revisionTime": "2017-04-18T18:31:09Z"
 		}
 	],
 	"rootPath": "zxq.co/ripple/rippleapi"

vendor/zxq.co/x/getrank/getrank.go

@@ -13,7 +13,7 @@ func GetRank(gameMode osuapi.Mode, mods osuapi.Mods, acc float64, c300, c100, c5
 	total := c300 + c100 + c50 + cmiss
 
 	switch gameMode {
-	case osuapi.ModeOsu:
+	case osuapi.ModeOsu, osuapi.ModeTaiko:
 		var (
 			c300f   = float64(c300)
 			totalf  = float64(total)
@@ -33,22 +33,6 @@ func GetRank(gameMode osuapi.Mode, mods osuapi.Mods, acc float64, c300, c100, c5
 		}
 		return "d"
 
-	case osuapi.ModeTaiko:
-		switch {
-		case acc == 100:
-			return s(true, mods)
-		case acc >= 95:
-			return s(false, mods)
-		case acc >= 90:
-			return "a"
-		case acc >= 80:
-			return "b"
-		// untested
-		case acc >= 70:
-			return "c"
-		}
-		return "d"
-
 	case osuapi.ModeCatchTheBeat:
 		if acc == 100 {
 			if mods&silver > 0 {