Mass package update for 21.2-beta1/21.0-pre6

[I'm trying to get releases out tonight, there are pending package changes that will be dealt with next week] Updated package-get-base.el files will be included with 21.2-beta1 and 21.0-pre6. Due to changes in 21.2, none of the packages below will work without being updated. Generic description of changes: Obsolete symbols that will be removed in 21.2 have been updated GIF eradicated dumped-lisp.el removed from vc-cc Lisp Read-time macros eradicated Sun-1.06-pkg.tar.gz calc-1.06-pkg.tar.gz edit-utils-1.25-pkg.tar.gz egg-its-1.06-pkg.tar.gz frame-icon-1.03-pkg.tar.gz gnats-1.04-pkg.tar.gz mh-e-1.06-pkg.tar.gz mine-1.06-pkg.tar.gz os-utils-1.09-pkg.tar.gz prog-modes-1.07-pkg.tar.gz skk-1.07-pkg.tar.gz texinfo-1.10-pkg.tar.gz tooltalk-1.05-pkg.tar.gz vc-cc-1.05-pkg.tar.gz w3-1.08-pkg.tar.gz xemacs-base-1.22-pkg.tar.gz