add some action items

lib/private/share/constants.php

@@ -26,13 +26,13 @@ class Constants {
 	const SHARE_TYPE_USER = 0;
 	const SHARE_TYPE_GROUP = 1;
 	const SHARE_TYPE_LINK = 3;
-	const SHARE_TYPE_EMAIL = 4;
-	const SHARE_TYPE_CONTACT = 5;
-	const SHARE_TYPE_REMOTE = 6;
+	const SHARE_TYPE_EMAIL = 4;   // ToDo Check if it is still in use otherwise remove it
+	const SHARE_TYPE_CONTACT = 5; // ToDo Check if it is still in use otherwise remove it
+	const SHARE_TYPE_REMOTE = 6;  // ToDo Check if it is still in use otherwise remove it
 
 	const FORMAT_NONE = -1;
 	const FORMAT_STATUSES = -2;
-	const FORMAT_SOURCES = -3;
+	const FORMAT_SOURCES = -3;  // ToDo Check if it is still in use otherwise remove it
 
 	const TOKEN_LENGTH = 32; // see db_structure.xml