This commit uses the options and changes from the last few commits to
implement a new 'about' command which works both with and without a
repo.
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
This new page will list all entries found in the current cache, which is
useful when reviewing the new cache implementation. There are no links to
the new page, but it's reachable by adding 'p=ls_cache' to any cgit url.
Signed-off-by: Lars Hjemli <hjemli@gmail.com>