Merge branch 'instaweb' of git://bogomips.org/git-svn

* 'instaweb' of git://bogomips.org/git-svn:
  git-instaweb: Check that correct config file exists for (re)start
  git-instaweb: Move all actions at the end of script
  git-instaweb: Use $conf, not $fqgitdir/gitweb/httpd.conf
  git-instaweb: Extract configuring web server into configure_httpd