base: Doxyfile: Disable tcl-dox, disable dot
base: Doxyfile: Disable tcl-dox, disable dot

 - For tcl-dox, see http://sideofgeek.wordpress.com/2009/04/03/tcl-dox-083-available/; it has been unmaintained and broken since 2009
 - Since we're not using classes and inheritance, the dot graphs aren't really very helpful and they just add another dep

git-svn-id: 620571fa9b4bd0cbce9a0cf901e91ef896adbf27@119702 d073be05-634f-4543-b044-5fe20cf6d1d6

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