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.
Content-type: text/xml
<rss version="2.0">
<channel>
<link>#url#</link>
<language>en-us</language>