Updated okular

  * part.rc: rebind 'Space' for 'go_next', use 'Ctrl+Space' for it.

Signed-off-by: Vladimir Lomov <lomov.vl@gmail.com>
Updated docs/polytech

  * lua.org: continue implementation of 'odb-entry2' script, now this is
    mess, the way I use to check of DB is unacceptable, need to rethink
    it. Other things: move lua files into 'lua/', rc file to 'odb'.

Signed-off-by: Vladimir Lomov <lomov.vl@gmail.com>