Which doc directory

[Geert Janssens]

Op dinsdag 30 januari 2018 17:33:12 CET schreef Robert Fewell:
> Hi,
> 
> I have two usr/share/doc directories related to Gnucash, they are...
> 
> /usr/share/doc/Gnucash with Changelogs... and HACKING,NEWS etc...
> /use/share/doc/gnucash with abc.qif, web.qif etc...
> 
> I am not sure which is correct but the doc\CMakeLists,txt is pointing to
> 'doc/gnucash' while the main CMakeLists.txt is using CMAKE_INSTALL_DOCDIR.
> 

Good catch.

I think we should stick with all lowercase because that's what is used 
everywhere else when the gnucash name is used in file paths.

I need to fix this for the gnc_userdata_dir as well.

Geert