Utils/Console: Add chroot() member ConfigBundle

Utils/Exception: message() does not include backtrace informations
fixed some documentation

Utils/Console: doc: added example for adding an overloaded member method to the console

Utils/Console: Extend enum parsing to ignore case and accept arbitrary unique initial substrings as valid enum value

Utils/Logger: Add optional console node name argument to FileTarget constructor
Utils/Logger: Add 'file' console command to FileTarget returning the target filename
Utils/Logger: Change 'list' console command output to be more readable/consistent

Utils/Console: Allow adding additional config sources to a config bundle while parsing
Utils/Console: Redirect non error console output during configuration to a DiscardStream
Utils/Console: Add more information to path/directory console errors
Utils/Logger: Fix reference to destroyed areas in global destructors

added more tests to increase test coverage

Utils/Logger: Quote filename for console directory in FileTarget
Utils/Logger: Add directory node return value to syslog-target and udp-target console commands

Utils/Console: Implement directory return value support in Executor
Utils/Logger: Make file-target return the new directory node

Utils/Logger: Implement dynmaic targets

Utils/Console: Add '@' to 'ls' output for link nodes
Utils/Console: Path completion in the LineEditor follows links in all cases
Utils/Console: Path completion adds blank space after non-directories

Utils/Console: Ignore trailing '/' on auto-cd
Utils/Console: Add support for STL vector/list arguments and return values
Utils/Console: Set default server name from executable name
senfscons: Don't build SENF automatically in senfutil

Utils/Termlib: Fix completiion semantics

Utils/Termlib: Implement generic completion support
Utils/Console: Provide access to path parsing in CommandParser
Utils/Console: Implement command name completion in interactive console

Utils/Termlib: Implement LineEditor history

Utils/Console: Move telnet functionality to Utils/Termlib
Utils/Termlib: Implement terminfo readier
Utils/Termlib: Implement terminfo based keycode parser