Add NAND delete warning, return to network install screen after a successful network install.
Add NAND delete warning, return to network install screen after a successful network install.

Traiver/FBI,leo60228/CTRM,hippydave/Newquay,leo60228/CTRM,soarqin/FBI,Possum/LumaLocaleSwitcher,Traiver/FBI,Jerry-Shaw/FBI,masterhou/FBI,Jerry-Shaw/FBI,soarqin/FBI,kot2002/FBI,kot2002/FBI,Jerry-Shaw/FBI,leo60228/CTRM,Jerry-Shaw/FBI,Traiver/FBI,Possum/LumaLocaleSwitcher,hippydave/Newquay,masterhou/FBI