ui-summary: (THEME) Rework what is shown in summary page

Now clone and branches are shown next to commits and tags, branches only
show name and age, clone does not create links, and file listing
(alongside readme) is shown below

1 files changed, 1 insertions, 0 deletions

diff --git a/ui-tree.h b/ui-tree.h
index bbd34e3..0b3488c 100644
--- a/ui-tree.h
+++ b/ui-tree.h
@@ -2,5 +2,6 @@
 #define UI_TREE_H
 
 extern void cgit_print_tree(const char *rev, char *path);
+extern void cgit_print_tree_component(const char *rev, char *path);
 
 #endif /* UI_TREE_H */