Improvements to MPOWER
New function POLY, remove BLKDIAG, doc updates
Removal of BLKDIAG function, and TODO edit in MPOWER
Final additions to include.lst
Helpfiles for the new 2-sided Fourier transforms, release date update
Tweaks to new two-sided QFT functions, plus inverse of DFT
Fixes to INV to suppress warnings
Updated include list, and new file svn_report
New function QDFT2DS and test code update
Release notes update and references in QFFT2DS
