Add workflow activity, workflow, and hooks for deletion of exported files

on asset trash, purge, and changeUrl.  This is kind of crufty.  :-\

lib/WebGUI/i18n/English/WebGUI.pm

@@ -31,6 +31,42 @@ our $I18N = {
 		context=>"Settings"
 	},
 
+	'trash workflow help' => {
+		message => q|Which workflow to run when an asset is placed in the trash.|,
+		lastUpdated => 1162242500,
+		context=>"Settings hover help"
+	},
+
+	'trash workflow' => {
+		message => q|Trash Workflow|,
+		lastUpdated => 1162242500,
+		context=>"Settings"
+	},
+
+	'purge workflow help' => {
+		message => q|Which workflow to run when an asset is purged.|,
+		lastUpdated => 1162242500,
+		context=>"Settings hover help"
+	},
+
+	'purge workflow' => {
+		message => q|Purge Workflow|,
+		lastUpdated => 1162242500,
+		context=>"Settings"
+	},
+
+	'changeUrl workflow help' => {
+		message => q|Which workflow to run when an asset's URL is changed.|,
+		lastUpdated => 1162348521,
+		context=>"Settings hover help"
+	},
+
+	'changeUrl workflow' => {
+		message => q|Change URL Workflow|,
+		lastUpdated => 1162348521,
+		context=>"Settings"
+	},
+
 	'expire groupings' => {
 		message => q|Expire User Groupings|,
 		lastUpdated => 0

lib/WebGUI/i18n/English/Workflow_Activity_DeleteExportedFiles.pm

@@ -0,0 +1,11 @@
+package WebGUI::i18n::English::Workflow_Activity_DeleteExportedFiles;
+
+our $I18N = {
+	'activityName' => {
+		message => q|Delete Exported Files|,
+		context => q|The name of this workflow activity.|,
+		lastUpdated => 1162238122,
+	},
+};
+
+1;