Description of problem:
  Currently, selecting a package on the web site will show the direct dependencies of that package.  It 
would be useful to see two other things.  

First, I'd like to be able to see the packages that require the currently selected package -- as an 
example, when I'm looking at the python package, I would like to see that authconfig and system-
config-network-tui both depend on it, to help me make a decision about whether python is necessary 
for a minimal installation.

Second, I'd like the option to pull a full dependency tree for a package, again to help in deciding what 
packages I want to include in a minimal system.  To use the previous example, authconfig requires 
python, glibc, popt, newt, glib, and pam.  Python requires zlib, readline, openssl, ncurses, libgmp, etc.  
When building a web server, mail server, or other minimal system, I want to be able to see a full, solved 
dependency tree for a package to determine if it's "worth" installing.  Because of the amount of 
processing this would require, it should probably be an additional step from the package page.

Version-Release number of selected component (if applicable):
N/A

How reproducible:
N/A

Steps to Reproduce:
N/A
  
Actual results:
List of direct dependencies only are displayed.

Expected results:
List of reverse and indirect dependencies available as well.

Additional info: