[setup] annotated tag release_2.873, created. release_2.873

[yselkowitz@sourceware.org]

        at  851a9873af673eba8797decc7ad83b33dff1de82 (tag)
   tagging  679f6a2e3a4d62391e31abc1e880273becbd3dcb (commit)
  replaces  release_2.872
 tagged by  Yaakov Selkowitz
        on  Sun Oct 18 14:30:05 2015 -0500


2.873

Achim Gratz (1):
      Fix signature check for local directory installation and record names of local mirror directories