hg: remove underscores in clone function

hg-ssh: fix dispatch call to use dispatch.request() 08bfec2ef031 changed dispatch.dispatch() to accept a request object instead of a list of arguments

gendoc: config help topic is in hgrc.5, do not include it in hg.1

doc: improve merge between hgrc.5 and config help topic

doc: rebuild hgrc.5 man and HTML page when help/config changes

help/config: separate terms with a blank line This makes it easier for translators since they can then translate each term individually.

help/config: fix rendering of definition list Without the blank line, the minirst parser renders Term-1 Line-1 Line-2 Term-2 Line-1 as Term-1 Line-1 Line-2 Term-2 Line-1 because the second term is seen as a paragraph.

help: move part of hgrc.5 man page config help topic

hgrc.5: make minirst find headings correctly The minirst parser is stricter than Docutils here and require a blank after a heading. Otherwise the heading is classified as a paragraph.

run-tests: fix --blacklist (broken by 95715c2f90bf)