Added new enums and desription

Signed-off-by: Marcin Woźniak <y0rune@aol.com>

buisnesslogic/src/main/java/com/plannaplan/types/GroupType.java

@@ -1,9 +1,23 @@
 package com.plannaplan.types;
 
 /**
- *  GroupType contains types: LECTURE, CLASS
+ *  GroupType contains types: LECTURE, CLASS, LAB, SEMINAR, CONSERVATORY, PRATICE
  */
 
 public enum GroupType {
-    LECTURE, CLASS
+    LECTURE("Wykład"), CLASS("Ćwiczenia"), LAB("Laboratorium"), SEMINAR("Seminarium"),CONSERVATORY("Konwersatorium"), PRATICE("Praktyka");
+
+    public final String type;
+    private GroupType(String type) {
+        this.type = type;
+    }
+
+    public final static GroupType getType(String type) {
+        for (GroupType d : values()) {
+            if (d.type.equals(type)) {
+                return d;
+            }
+        }
+        return null;        
+    }
 }