Added Config.DatabaseAddress

This allows the server to connect to a MySQL server in a different
machine.

config.json.sample

@@ -4,6 +4,7 @@
   "ApiPrefix": "",
   "KeyFile": "",
   "CertFile": "",
+  "DatabaseAddress": "",
   "Database": "openaccounting",
   "User": "openaccounting",
   "Password": "openaccounting",

core/model/types/config.go

@@ -1,15 +1,16 @@
 package types
 
 type Config struct {
-	WebUrl         string
-	Port           int
-	ApiPrefix      string
-	KeyFile        string
-	CertFile       string
-	Database       string
-	User           string
-	Password       string
-	SendgridKey    string
-	SendgridEmail  string
-	SendgridSender string
+	WebUrl          string
+	Port            int
+	ApiPrefix       string
+	KeyFile         string
+	CertFile        string
+	DatabaseAddress string
+	Database        string
+	User            string
+	Password        string
+	SendgridKey     string
+	SendgridEmail   string
+	SendgridSender  string
 }

core/server.go

@@ -2,16 +2,17 @@ package main
 
 import (
 	"encoding/json"
+	"log"
+	"net/http"
+	"os"
+	"strconv"
+
 	"github.com/openaccounting/oa-server/core/api"
 	"github.com/openaccounting/oa-server/core/auth"
 	"github.com/openaccounting/oa-server/core/model"
 	"github.com/openaccounting/oa-server/core/model/db"
 	"github.com/openaccounting/oa-server/core/model/types"
 	"github.com/openaccounting/oa-server/core/util"
-	"log"
-	"net/http"
-	"os"
-	"strconv"
 	//"fmt"
 )
 
@@ -31,7 +32,7 @@ func main() {
 		log.Fatal(err)
 	}
 
-	connectionString := config.User + ":" + config.Password + "@/" + config.Database
+	connectionString := config.User + ":" + config.Password + "@" + config.DatabaseAddress + "/" + config.Database
 
 	db, err := db.NewDB(connectionString)