gitweb: show active project_filter in project_list page header
gitweb: show active project_filter in project_list page header

In the page header of a project_list view with a project_filter
given show breadcrumbs in the page headers showing which directory
it is currently limited to and also containing links to the parent
directories.

Signed-off-by: Bernhard R. Link <ecdf39c4b947e5d726324c261d43b4e775914783@debian.org>
Acked-by: Jakub Narebski <a6a1517a087f9f64a72f41a0de57ff01fbb0e412@gmail.com>
Signed-off-by: Junio C Hamano <a6723cc3f76163bf7adb636a73ac3b0ceb3e6b9b@pobox.com>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git