gitweb: Fix escaping HTML of project owner in 'projects_list' and
'summary' views
This for example allows to put email address in the project owner
field in the projects index file (when $projects_list points to
a file, and not to a directory), in the form of:
Noticed-by: Jon Smirl <jonsmirl@gmail.com> Signed-off-by: Jakub Narebski <jnareb@gmail.com> Signed-off-by: Petr Baudis <pasky@suse.cz> Signed-off-by: Junio C Hamano <gitster@pobox.com>