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.
%% no merges expected
%% merge should fail
abort: 'b' already exists in the working dir and differs from remote
%% merge of b expected
merging for b
merging b
%%
Contents of b should be "this is file b1"
This is file b1
%% merge fails
abort: outstanding uncommited changes
%% merge expected!
merging for b
merging b
%% merge of b should fail
abort: outstanding uncommited changes
%% merge of b expected
merging for b
merging b