2008-11-11  Andreas J. Guelzow <aguelzow@pyrshep.ca>

	* kaplan-meier.glade: add groups tab
	* dialog-analysis-tool-kaplan-meier.c (KaplanMeierToolState): add new
	  fields 
	(kaplan_meier_tool_update_sensitivity_cb): handle new tab
	(kaplan_meier_tool_get_groups_cb): new
	(kaplan_meier_tool_get_groups): new
	(kaplan_meier_tool_ok_clicked_cb): handle new tab
	(cb_group_name_edited): new
	(cb_change_from): new
	(cb_selection_changed): new
	(kaplan_meier_tool_update_groups_sensitivity_cb): new
	(dialog_kaplan_meier_tool_treeview_add_item): new
	(dialog_kaplan_meier_tool_setup_treeview): new
	(kaplan_meier_tool_add_group_cb): new
	(kaplan_meier_tool_remove_group_cb): new
	(dialog_kaplan_meier_tool): handle new tab

2008-11-14  Andreas J. Guelzow <aguelzow@pyrshep.ca>

	* analysis-kaplan-meier.c (analysis_tool_kaplan_meier_engine_run):
	  handle multiple groups
	(analysis_tool_kaplan_meier_clear_gl_cb): new
	(analysis_tool_kaplan_meier_engine): properly dispose of all data
	* analysis-kaplan-meier.h (analysis_tools_data_kaplan_meier_t): add 
	  new fields
	(analysis_tools_kaplan_meier_group_t): new
	


svn path=/trunk/; revision=16964