Add a misc folder to contain some files for attempting a local registration of hwengine against hedgewars demo and save files on request.
Still needs the addition of the frontend code to mkdir -p in .local, copy the files, call update-mime-info and such
if(DEFINED DATA_INSTALL_DIR)
set(HEDGEWARS_DATADIR ${DATA_INSTALL_DIR})
else()
set(HEDGEWARS_DATADIR ${CMAKE_INSTALL_PREFIX}/share/)
endif()
configure_file(hwengine.desktop.in hwengine.desktop)
file(GLOB miscfiles *.xml *.desktop)
install(FILES ${miscfiles} DESTINATION ${SHAREPATH}Data/misc)