2006-04-05 [colin] 2.0.0cvs182

2006-04-05 [colin]	2.0.0cvs182

	* src/compose.c
		Fix crash on Reply with no From:
		Show signature and conversion error on queuing
		(but not sending)
	* src/mainwindow.c
	* src/summaryview.c
	* src/summaryview.h
		Factorize threading code and make sure msginfo
		is not null when it comes from a GtkCTreeRow's
		data
	* src/gtk/gtkaspell.c
		Check for necessary things
	* src/gtk/gtksctree.c
	* src/gtk/gtksctree.h
		Reset anchor if necessary when removing node