Docs: fix example code
Thanks to Tom for spotting this and fixing the example

Signed-off-by: John Thornton <jthornton@gnipsel.com>
l10n: fix translation of combobox contents

The other translation didn't work, because it just filled the
first (and only) combobox choice with the translation of "inch/mm",
leaving no choice to be made.
pyngcgui: more fixes for package builds

improve finding BASE for package installs (precise)
defer start_ngcgui and start_gremlin_view (lucid)
minor:
  use --debug  flag for printing info at startup
  print find_file() info at startup only if --verbose option
  increase start delay and simplify touchy_sim.tcl for buttons
  more consistent .ui names for demo ini files
  avoid reparenting if glade is parent app
add encoder filter clock selection parameter to loadrt command line
Merge branch 'v2.5_branch' of ssh://jmelson@git.linuxcnc.org/git/emc2 into v2.5_branch
Merge remote-tracking branch 'origin/v2.5_branch'
deb: libmodbus-dev is always a build dependency now

No need to add it to a couple of specific distro-dependent EXTRA_BUILD
variables any more.
New test for bug 315 part 1
Merge branch 'v2.5_branch'