Document the use of configdata.pm as a script

 Changes between 1.1.0f and 1.1.1 [xx XXX xxxx]

  *) Changed Configure so it only says what it does and doesn't dump

     so much data.  Instead, ./configdata.pm should be used as a script

     to display all sorts of configuration data.

     [Richard Levitte]

  *) Added processing of "make variables" to Configure.

     [Richard Levitte]

                   precedence over environment variables that are defined

                   when reconfiguring.

 Displaying configuration data

 -----------------------------

 The configuration script itself will say very little, and finishes by

 creating "configdata.pm".  This perl module can be loaded by other scripts

 to find all the configuration data, and it can also be used as a script to

 display all sorts of configuration data in a human readable form.

 For more information, please do:

       $ ./configdata.pm --help                         # Unix

       or

       $ perl configdata.pm --help                      # Windows and VMS

 Installation in Detail

 ----------------------

  Major changes between OpenSSL 1.1.0f and OpenSSL 1.1.1 [under development]

      o Move the display of configuration data to configdata.pm.

      o Allow GNU style "make variables" to be used with Configure.

      o Add a STORE module (OSSL_STORE)

      o Claim the namespaces OSSL and OPENSSL, represented as symbol prefixes

 and create an issue on GitHub:

    - OpenSSL version: output of 'openssl version -a'

    - Any "Configure" options that you selected during compilation of the

      library if applicable (see INSTALL)

    - Configuration data: output of 'perl configdata.pm --dump'

    - OS Name, Version, Hardware platform

    - Compiler Details (name, version)

    - Application Details (name, version)