resolved issue 208, used raw bytes option for hash in fof_make_salt
resolved issue 189, removed mysql specific code from installer
cleaned up fof_db_get_items a bit, one liner change in fof-render.php
resolved issue 209, long items now have flagging links at bottom
cleaned markup generating functions.  Deleted fof_get_nav_links, moved fof_subscribe into add_single.php and rewrote to tidy up code