fix some things people wanted to be cleaner. rename --map-file to --style. no more -t alias for --template. update docs. rename template entry in map files to changelog. if --verbose, use changelog_verbose if there, else changelog.

#header#
    <title>#repo|escape#: tags </title>
    <description>#repo|escape# tag history</description>
    #entriesnotip%tagentry#
  </channel>
</rss>