自定义游戏和创建房间可选规则包，微调附近控件位置

补充??语言联网菜单的文本
房间版本改为1.a

parts/language/lang_en.lua

@@ -298,6 +298,8 @@ return{
             deepDrop="Deep Drop",
             bone="Bone Blocks",
 
+            eventSet="Rule Set",
+
             nextCount="Next",
             holdCount="Hold",
             infHold="Infinite Hold",
@@ -458,7 +460,6 @@ return{
         },
         customGame={
             title="Custom Game",
-            subTitle="Basic",
             defSeq="Default Seq.",
             noMsn="No missions",
 
@@ -482,6 +483,8 @@ return{
             sequence="Edit Sequence (S)",
             mission="Edit Mission (M)",
 
+            eventSet="Rule Set",
+
             nextCount="Next",
             holdCount="Hold",
             infHold="Infinite Hold",