Citrix have recently released Citrix Online Plugin 13 on their website. This is only available as part of Citrix Receiver 3.0 here.
To install the plugin in the same way as before you can use the following installation string.
CitrixReceiverEnterprise.exe ADDLOCAL=”ICA_Client,SSON,USB,DesktopViewer,Flash,PN_Agent,Vd3d” ENABLE_SSON=”Yes”
Below are all of the installation string options. You need to remove the option “ReceiverInside” section
CitrixReceiverEnterprise.exe /silent ADDLOCAL=”ReceiverInside,ICA_Client,SSON ,USB,DesktopViewer,Flash,PN_Agent,Vd3d” SERVER_LOCATION=”my.server” ENABLE_SSON= “No” INSTALLDIR=”C:myfolder” ENABLE_DYNAMIC_CLIENT_NAME=”No” CLIENT_NAME=”my_ov errided_name” DEFAULT_NDSCONTEXT=”Context1,Context2″