[lib] lib/run_demo_base.py:   - importing 'image' to be used by commands in DDL scripts   - saving all shell commands in the file shell_cmds.txt, it is used by some     demos to show their required commands.   - array of commands: first string is the python condition, the rest are the     commands to execute if the condition is fulfilled.   - if a command (named subcmd) starts with "python:", running exec(subcmd[7:])     locally   - maintain (don't slip) strings in argument list   - for a shell command, allow '>file', '>>file', '2>file' and '2>&1'   - added bin dir to LD_LIBRARY_PATH for demos that required dynamic libs.
[lib] lib/run_demo_base.py:
  - importing 'image' to be used by commands in DDL scripts
  - saving all shell commands in the file shell_cmds.txt, it is used by some
    demos to show their required commands.
  - array of commands: first string is the python condition, the rest are the
    commands to execute if the condition is fulfilled.
  - if a command (named subcmd) starts with "python:", running exec(subcmd[7:])
    locally
  - maintain (don't slip) strings in argument list
  - for a shell command, allow '>file', '>>file', '2>file' and '2>&1'
  - added bin dir to LD_LIBRARY_PATH for demos that required dynamic libs.

mcolom/ipolDevel,mcolom/ipolDevel,mcolom/ipolDevel,mcolom/ipolDevel