added einsteinium, feathercoin, groestlcoin, myriadcoin and fixed hirocoin's symbol

coins/einsteinium.json

@@ -0,0 +1,5 @@
+{
+    "name": "Einsteinium",
+    "symbol": "EMC2",
+    "algorithm": "scrypt"
+}

coins/feathercoin.json

@@ -0,0 +1,5 @@
+{
+    "name": "Feathercoin",
+    "symbol": "FTC",
+    "algorithm": "scrypt"
+}

coins/groestlcoin.json

@@ -0,0 +1,5 @@
+{
+    "name": "GroestlCoin",
+    "symbol": "GRS",
+    "algorithm": "groestl"
+}

coins/hirocoin.json

@@ -1,6 +1,6 @@
 {
     "name": "Hirocoin",
-    "symbol": "hic",
+    "symbol": "HIRO",
     "algorithm": "x11",
     "mposDiffMultiplier": 256
 }

coins/myriadcoin.json

@@ -0,0 +1,5 @@
+{
+    "name": "Myriadcoin",
+    "symbol": "MYR",
+    "algorithm": "scrypt"    
+}