[daip] Flagging clean components

[Eric Greisen]

Andrew Biggs wrote:
> Hi again Eric. As far as you're aware, for CC files that have a mixture of
> flagged and unflagged components, will UVSUB correctly ignore the flagged
> ones and subtract the unflagged ones? It seems that facets that have this
> mixture do not have any of their clean components subtracted in a UVSUB.
> Those facets where all the clean components are flagged work fine.

I found an error in the gridded subtraction - it reached the first 
flagged component and got stuck there ignoring any unflagged ones 
following.  A MNJ at this moment should fix that.  DFT worked okay.

Eric Greisen