Commits on Apr 12, 2023

1. Tool manpages, doc page, and standardized --help messages …

   - Add manpages for the tool programs (exr2aces, exrenvmap, etc)
     - Pages are generated via help2man
     - Pages are installed into share/man
   
   - Standardize the tool usage messages:
     * The output of --help goes to stdout, so that "exrheader --help | more" is easy
     * Usage output goes to stderr on mistakes like malformed arguments
     * Each program has a --version option
     * ImfMisc.h has a getLibraryVersion() that returns the
       CMAKE_OPENEXR_VERSION the library was compiled with (which might
       be mismatched with the headers currently being compiled.
   
   - The website has a "Tools" page that describes the tools and usage,
     but also includes a pointer to oiiotool for any serious image
     processing utilities
   
   - The website html output is no longer installed with the
     distribution. This was inadvertent and not helpful, a leftover from
     when "docs" referred to the .pdf technical documentation that now
     lives on the webpage.
   
   Signed-off-by: Cary Phillips <cary@ilm.com>

   

   cary-ilm committed Apr 12, 2023
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2. remove debugging status message …

   Signed-off-by: Cary Phillips <cary@ilm.com>

   

   cary-ilm committed Apr 12, 2023
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