port1.0/portfetch.tcl: Deprecate svn.tag and use svn.revision instead
port1.0/portfetch.tcl:
Deprecate svn.tag and use svn.revision instead

git-svn-id: 620571fa9b4bd0cbce9a0cf901e91ef896adbf27@48223 d073be05-634f-4543-b044-5fe20cf6d1d6

neverpanic/macports-base,danchr/macports-base,macports/macports-base,neverpanic/macports-base,macports/macports-base,danchr/macports-base