2003-09-26  Michael Natterer  <mitch@gimp.org>

	Cleaned up all places which pick colors to work consistently: the
	concept of an "active color" has disappeared, instead <ctrl> picks
	the BG color all over the place (fixes bug #122931).

	* app/tools/tools-enums.[ch]: added enum GimpColorPickMode which
	can be one of { FOREGROUND, BACKGROUND }. Reordered enums so
	non-registered ones are at the end of the file. Removed trailing
	whitespace.

	* app/tools/gimpcolorpickeroptions.[ch]: added a "pick-mode"
	property and a GUI for it. Renamed the "update-active" property to
	"update-toolbox".

	* app/tools/gimpcolorpickertool.c: honor the new option. Toggle
	pick-mode on <ctrl>.

	* app/tools/gimpcolortool.[ch]: added pick_mode member and change
	the cursor accordingly.

	* app/widgets/gimpcolormapeditor.[ch]: added "GdkModifierType
	state" to the "selected" signal. Removed the signal's default
	implementation.

	* app/gui/dialogs-constr...