New in GRASS 5 beta6 against beta5

$Id$

Modules:
- d.area: fixed. Now dynamic allocation to remove the 4096 vector
    line limit (Bill Hughes)
- d.legend: fixed bug on shifted numbers. Optional flag to suppress
            display of "no data" now (Markus Neteler)

- i.in.erdas: "-m" reads in map coordinate info (reference) now (Angus Carr)
- i.out.erdas added (Angus Carr)

- nviz code:  removed MouseWheelEvent problem in compilation (Angus Carr)

- r.coin fixed (hopefully) (Markus Neteler)

- again general sites import bug (in beta6a-d) fixed
- s.in.ascii fixed for x y z datasets (like DEM) (Markus Neteler)
- s.surf.idw import routine updated (Job Spijker, Markus Neteler)
- s.probplt: bugfix on sites read (Job Spijker)
- s.sample fix (Markus Neteler)

- v.bubble: added (Job Spijker)
- v.in.arc should be fixed (Werner Droege, Alex Shevlakov)
- v.in.dxf2 added (Ben Johnson)
- v.report: fixed km conversion factor (Markus Neteler)

Shells:
- d.monsize: script to (re-)set GRASS monitor size (Anantha Prasad)
- d.rast.leg2 added (display raster map with legend)
- i.tasscap.tm5: updated for GRASS 5 (Markus Neteler)
- r.reclass.area: updated for GRASS 5 (Markus Neteler)
- slide.show.sh: addec parameter "prefix" to display only selected
                 files (Markus Neteler)

Source code structure:
- New source code tree: src.nonGPL/ (modules not shipped with GPL)
- all libraries under src/libes/ now (Markus Neteler)
- final upates for prototypes, along with several 'return 0;'
   (Bill Hughes)
- updated/checked all Gmakefiles on "mv" command for WIN/Cygnus
   (John Huddleston)
- added HUGE, drand48, srand48 for WIN/Cygnus (John Huddleston)

- configure:
  automatically choosing the diglib64 library at compile-time for 
  64-bit machines (Bill Hughes)