Log Message:
tex-listings{,-doc}: update to 1.9

* hopefully corrected the long outstanding wrong behaviour of
    displaying visible spaces
* generalized the use of the linerange key
* introduced the key consecutivenumbers
* a pagebreak between a (top) caption and source code isn't allowed anymore
* the configuration files listings.cfg and lstlocal.cfg
  are read with the correct catcode
* some documentation and layout enhancements.