* plugins/scintilla/text_editor.c,
	plugins/scintilla/text_editor.h,
	plugins/scintilla/text_editor_cbs.c,
	plugins/sourceview/sourceview-io.c,
	plugins/sourceview/sourceview-io.h,
	plugins/sourceview/sourceview-private.h,
	plugins/sourceview/sourceview.h,
	plugins/sourceview/sourceview.c,
	plugins/glade/anjuta-design-document.c,
	plugins/glade/plugin.c,
	plugins/document-manager/plugin.c,
	plugins/document-manager/anjuta-docman.c,
	plugins/document-manager/action-callbacks.c,
	libanjuta/interfaces/libanjuta.idl:
	Move message area code from document manager to each editor plugin
	Rename save_point signal to update_save_ui and make it more general
	Add ianjuta_file_savable_is_conflict function to disable autosave
	Fix a crash when having deleted file document
	Fix #549958 – user is not notified if a file is removed from
	filesystem

svn path=/trunk/; revision=4648