Bump version

mobile/build.sbt

@@ -4,8 +4,8 @@ enablePlugins(AndroidGms)
 android.useSupportVectors
 
 name := "shadowsocks"
-version := "4.2.2"
+version := "4.2.3"
-versionCode := Some(192)
+versionCode := Some(193)
 
 proguardOptions ++=
   "-dontwarn com.google.android.gms.internal.**" ::

mobile/src/main/scala/com/github/shadowsocks/acl/Acl.scala

@@ -94,15 +94,14 @@ class Acl {
     val result = new StringBuilder()
     if (urls.nonEmpty) {
       result.append(urls.mkString("\n"))
-      result.append("\n")
       if (network) {
-        result.append("#NETWORK_ACL_BEGIN\n")
+        result.append("\n#NETWORK_ACL_BEGIN\n")
         try {
           urls.foreach((url: String) => result.append(Source.fromURL(url).mkString))
         } catch {
           case e: IOException => // ignore
         }
-        result.append("#NETWORK_ACL_END\n")
+        result.append("\n#NETWORK_ACL_END\n")
       }
     }
     if (result.isEmpty) {

mobile/src/main/scala/com/github/shadowsocks/database/DBHelper.scala

@@ -141,7 +141,9 @@ class DBHelper(val context: Context)
         }
 
         if (oldVersion < 23) {
+          profileDao.executeRawNoArgs("BEGIN TRANSACTION;")
           TableUtils.createTable(connectionSource, classOf[KeyValuePair])
+          profileDao.executeRawNoArgs("COMMIT;")
           import KeyValuePair._
           val old = PreferenceManager.getDefaultSharedPreferences(app)
           kvPairDao.createOrUpdate(new KeyValuePair(Key.id, TYPE_INT,