implemented selector for parent task

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

core/src/main/java/de/srsoftware/umbrella/core/constants/Field.java

@@ -15,6 +15,7 @@ public class Field {
 	public static final String BODY         = "body";
 
 	public static final String CACHE_CONTROL          = "Cache-Control";
+	public static final String CHILDREN               = "Children";
 	public static final String CODE                   = "code";
 	public static final String COMMENT                = "comment";
 	public static final String COMPANY                = "company";

core/src/main/java/de/srsoftware/umbrella/core/constants/Path.java

@@ -33,13 +33,14 @@ public class Path {
 
 	public static final String OPTION = "option";
 
-	public static final String PAGE        = "page";
-	public static final String PASSWORD    = "password";
-	public static final String PERMISSIONS = "permissions";
-	public static final String PROJECT     = "project";
-	public static final String PROPERTIES  = "properties";
-	public static final String PROPERTY    = "property";
-	public static final String PURPOSES    = "purposes";
+	public static final String PAGE              = "page";
+	public static final String PARENT_CANDIDATES = "parent_candidates";
+	public static final String PASSWORD          = "password";
+	public static final String PERMISSIONS       = "permissions";
+	public static final String PROJECT           = "project";
+	public static final String PROPERTIES        = "properties";
+	public static final String PROPERTY          = "property";
+	public static final String PURPOSES          = "purposes";
 
 	public static final String READ     = "read";
 	public static final String REDIRECT = "redirect";

core/src/main/java/de/srsoftware/umbrella/core/model/Project.java

@@ -144,4 +144,9 @@ public class Project implements Mappable {
 		map.put(TAG_COLORS,tagColors);
 		return map;
 	}
+
+	@Override
+	public String toString() {
+		return name();
+	}
 }