Remove trailing space

theme/monoblue: do not use a fixed width for the overview box

tests: add more testing for webdir nesting

hgwebdir: show nested repositories (issue1336)

patch/diff: use a separate function to write the first line of a file diff

patch: consolidate two different regexes for parsing of git diffs

patch: extract local function addmodehdr

help: show extension commands in short list, separate extension list in help In 'hg', we now show a short list of commands, including extension commands. In 'hg help', we show core commands, a list of enabled extensions, and topics.

help: show help topics by default in 'hg help', with longest available id

mail: correct typo in variable name

merge with crew

mail: test patch mime encoding for patchbomb