Modifications to lfpsplitter to support new .lfp format
as of the December 2012 Lytro upgrade that introduced
living filters and perspective shift viewing.
Restore original README with note in intro referring to README_V2.
Merge pull request #4 from eweidaw/master

Handle files from Lytro V2 format, by eweidaw, r=nrpatel
Merge remote-tracking branch 'nrpatel/master'