Document where to put manual for all users
Document where to put manual for all users

Add /usr/local/share/psysh as system-wide manual location,
so any system administrator can install it for every user of
the development server.
bobthecow/psysh,damiankloip/psysh,damiankloip/psysh,damiankloip/psysh,bobthecow/psysh