Fix test fallout from botched test index

.gitmodules

@@ -1,3 +1,3 @@
 [submodule "test/crates.io-index"]
 	path = test/crates.io-index
-	url = https://github.com/rust-lang/crates.io-index
+	url = git://github.com/rust-lang/crates.io-index

crater-db.js

@@ -15,13 +15,14 @@ var util = require('./crater-util');
  */
 function connect(config) {
   var credentials = config.dbCredentials;
-  var dbname = config.dbName;
 
   var dbctx = new Promise(function(resolve, reject) {
     var client = new pg.Client({
+      database: config.dbName,
       user: credentials.username,
       password: credentials.password,
-      database: dbname
+      host: credentials.host || null,
+      port: credentials.port || null
     });
 
     client.connect(function(err) {

test.js

@@ -116,8 +116,8 @@ suite("local crate-index tests", function() {
     p.then(function(crateData) {
       return crates.getMostRecentRevs(crateData);
     }).then(function(recent) {
-      assert(recent["toml"].vers == "0.1.18");
-      assert(recent["obj-rs"].vers == "0.4.2");
+      assert(recent["toml"].vers == "0.1.20");
+      assert(recent["obj-rs"].vers == "0.4.7");
       done();
     }).catch(function(e) { done(e); });
   });
@@ -136,9 +136,9 @@ suite("local crate-index tests", function() {
     var p = crates.loadCrates(testConfig);
     p.then(function(crateData) {
       var pop = crates.getPopularityMap(crateData);
-      assert(pop.time == 72);
-      assert(pop.num == 17);
-      assert(pop.piston == 0);
+      assert(pop.time == 92);
+      assert(pop.num == 66);
+      assert(pop.piston == 1);
       done();
     }).catch(function(e) { done(e); });
   });