Fix meta specification errors

Author: eschmar

META.json

@@ -4,7 +4,7 @@
     "description": "Provides `popcount`, `popcount32`, `popcount64`, `popcountAsm`, `popcountAsm64` and `popcount256` functions to PostgreSQL.",
     "version": "1.0.0",
     "maintainer": "Marcel Eschmann",
-    "license": "MIT",
+    "license": "mit",
     "provides": {
         "popcount": {
             "abstract": "Introduces popcount[|32|64|Asm|Asm64|256](bit(n)).",
@@ -29,7 +29,7 @@
             "web": "https://github.com/eschmar/postgresql-popcount/issues"
         },
         "repository": {
-          "url":  "git@github.com:eschmar/postgresql-popcount.git",
+          "url":  "git://github.com/eschmar/postgresql-popcount.git",
           "web":  "https://github.com/eschmar/postgresql-popcount",
           "type": "git"
         }