allow terminal colors to be set from preferences dialog * QTerminalInterface.h (QTerminalInterface::setBackgroundColor, QTerminalInterface::setForeroundColor, QTerminalInterface::setSelectionColor, QTerminalInterface::setCursorColor): New functions. * QUnixTerminalImpl.h, QUnixTerminalImpl.cpp QUnixTerminalImpl::setBackgroundColor, QUnixTerminalImpl::setForeroundColor, QUnixTerminalImpl::setSelectionColor, QUnixTerminalImpl::setCursorColor): New functions. * QWinTerminalImpl.h, QWinTerminalImpl.cpp (QConsolePrivate::setCursorColor): New argument, useForegroundColor. (QConsolePrivate::m_selectionColor, QConsolePrivate::m_cursorColor): New member variablebs. (QConsolePrivate::selectionColor, QConsolePrivate::cursorColor, QConsolePrivate::setSelectionColor, QConsolePrivate::setCursorColor): Use member variables instead of Windows console color map. (QConsolePrivate::cursorColor): Return foreground color if stored color is invalid. (QConsolePrivate::setCursorColor): Store invalid color if useForegroundcolor. (QConsolePrivate::QConsolePrivate): Set default selection and cursor colors. * QTerminal.cc (QTerminal::notice_settings): Handle terminal color settings. * resource-manager.h, resource-manager.cc (resource_manager::terminal_color_names, resource_manager::terminal_default_colors, resource_manager::terminal_color_chars): New functions. * settings-dialog.h, settings-dialog.cc (settings_dialog::read_terminal_colors): New function. (settings_dialog::settings_dialog): Call read_terminal_colors. Read valud for using foreground color for cursor color. (settings_dialog::write_terminal_colors): New function. (settings_dialog::write_changed_settings): Call write_terminal_colors. Handle setting for using foreground color for cursor color. * settings-dialog.ui: Add color selection to terminal settings dialog.

syntax: regexp
# The recurrent (^|/) idiom in the regexps below should be understood
# to mean "at any directory" while the ^ idiom means "from the
# project's top-level directory".

# gnulib makes these silly backup files
.~$

# This directory gets created by gnulib during the build. 
# It contains no Octave files.
^libgnu/*

# This directory mostly contains cruft during build time, but it does
# contain some Octave code, so we gotta be a bit more careful about
# what we ignore here
^m4/(?!ax_).+\.m4$

# Emacs tools create these
(^|/)TAGS$
(^|/)semantic.cache$

(/|^)Makefile\.in$
^INSTALL$

^aclocal\.m4$
^build-.*($|/)
^configure$
^autom4te\.cache($|/)
^config\.h\.in$

# e.g. doc/faq/OctaveFAQ.info
#      doc/interpreter/octave.info-4
^doc/.*\.info(-\d)?$

^doc/\w*/stamp-vti$
^doc/\w*/version\.texi$
^doc/interpreter/images\.mk$

# e.g. liboctave/operators/smx-op-inc.mk
^liboctave/operators/\w+-op-\w+\.mk$

^libinterp/dldfcn/module\.mk$