Merge branch 'show-command' into pu

* branch show-command:
  t3001: use '--show' to get the instruction sheet
  Add '--show' to print the instruction sheet

I'm not sure about this.  Should it be --cat instead of --show?  Is it
too similar to --status below?

Conflicts:
	Documentation/git-integration.txt
	git-integration.sh
Merge branch 'skip-option' into pu

* branch skip-option:
  WIP
  Add --skip option

Needs more work to be able to handle "branch not found".

Conflicts:
	git-integration.sh
Merge branch 'manpage-on-site' into pu

* branch manpage-on-site:
  WIP

WIP to improve the web site