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.
#!/bin/sh
mkdir t
cd t
hg init
echo a > a
hg add a
hg commit -m "test" -d "0 0"
hg verify
hg parents
hg status
hg undo
hg verify
hg parents
hg status