ubuntu eclipse mars.2Bug修复

ubuntu eclipse mars.2Bug的bug具体表现为图标异常，菜单无法正常点击切换等等，问题是因为GTK方面，将eclipse的启动方式eclipse.desktop改为一下代码

   [Desktop Entry]
   Name=eclipse
   Comment=develop java app
   Exec=env SWT_GTK3=0 /home/jiang/software/eclipse/eclipse
   Icon=/home/jiang/software/eclipse/icon.xpm
   Terminal=false
   Type=Application
   Categories=devtool