2010-05-31 Andreas J. Guelzow <aguelzow@pyrshep.ca>

	* tool-dialogs.h (tool_setup_update): new
	* dialog-analysis-tool-chi-squared.c (dialog_chi_square_tool):
	  use tool_setup_update
	* dialog-analysis-tool-frequency.c (dialog_frequency_tool):
	  ditto
	* dialog-analysis-tool-normality.c (dialog_normality_tool):
	  ditto
	* dialog-analysis-tool-sign-test.c (dialog_sign_test_two_tool):
	  ditto
	(dialog_sign_test_tool): ditto
	* dialog-analysis-tools.c (tool_setup_update): new