修改Android版本信息为1.3.4，为jcenter和Maven Central提交作准备。

Author: vimfung

Source/Android/luascriptcore/build.gradle

@@ -77,7 +77,7 @@ ext {
     siteUrl = 'https://github.com/vimfung/LuaScriptCore'
     gitUrl = 'https://github.com/vimfung/LuaScriptCore.git'
 
-    libraryVersion = '1.3.1'
+    libraryVersion = '1.3.4'
 
     developerId = 'vimfung'
     developerName = 'Vim Fung'