Update changelog, add simple testcase

CHANGELOG.md

@@ -27,7 +27,7 @@ FEATURES:
   * Create genesis transactions with `gaiad init gen-tx` 
   * New genesis account keys are automatically added to the client keybase (introduce `--client-home` flag)
   * Initialize with genesis txs using `--gen-txs` flag
-* Context now has access to the applicaiton logger
+* Context now has access to the application-configured logger
 
 BREAKING CHANGES
 

types/context_test.go

@@ -60,3 +60,11 @@ func TestCacheContext(t *testing.T) {
 
 	assert.Equal(t, v2, store.Get(k2))
 }
+
+func TestLogContext(t *testing.T) {
+	key := types.NewKVStoreKey(t.Name())
+	ctx := defaultContext(key)
+	ctx.Logger().Debug("debug")
+	ctx.Logger().Info("info")
+	ctx.Logger().Error("error")
+}