Bug 122850 Table/list should not be able to be inserted in Master Page mode.
Description: Table/list should not be able to be inserted in Master Page mode. Steps to reproduce: 1. New a report and transfer to Master Page mode. 2. New a datasource and dataset 3. Drag a list/table to page header/footer, bind it to dataset and drag some columns inside. 4. Save and preview Expected result: Insert list/table item in master page should be forbidden. Actual result: They are allowed and preview showed "undefine" in page
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/i18n/MessageConstants.java
public static final String CUSTOM_MSG_EXCEPTION_DUPLICATE_LOCALE = "Error.CustomMsgException.DUPLICATE_LOCALE"; 
	public static final String CUSTOM_MSG_EXCEPTION_INVALID_LOCALE = "Error.CustomMsgException.INVALID_LOCALE"; 
	public static final String CUSTOM_MSG_EXCEPTION_TRANSLATION_NOT_FOUND = "Error.CustomMsgException.TRANSLATION_NOT_FOUND"; 
	
	public static final String EXTENDS_EXCEPTION_NOT_FOUND = "Error.ExtendsException.NOT_FOUND"; 
	public static final String EXTENDS_EXCEPTION_WRONG_TYPE = "Error.ExtendsException.WRONG_TYPE"; 
	public static final String EXTENDS_EXCEPTION_WRONG_EXTENSION_TYPE = "Error.ExtendsException.WRONG_EXTENSION_TYPE"; 
	public static final String EXTENDS_EXCEPTION_EXTENDS_FORBIDDEN = "Error.ExtendsException.EXTENDS_FORBIDDEN"; 
	public static final String EXTENDS_EXCEPTION_CANT_EXTEND = "Error.ExtendsException.CANT_EXTEND"; 
	public static final String EXTENDS_EXCEPTION_SELF_EXTEND = "Error.ExtendsException.SELF_EXTEND"; 
	public static final String EXTENDS_EXCEPTION_CIRCULAR = "Error.ExtendsException.CIRCULAR"; 
	public static final String EXTENDS_EXCEPTION_UNNAMED_PARENT = "Error.ExtendsException.UNNAMED_PARENT"; 
	public static final String EXTENDS_EXCEPTION_PARENT_NOT_IN_COMPONENT = "Error.ExtendsException.PARENT_NOT_IN_COMPONENT"; 
	public static final String EXTENDS_EXCEPTION_PARENT_NOT_INCLUDE = "Error.ExtendsException.PARENT_NOT_INCLUDE"; 
	public static final String EXTENDS_EXCEPTION_NO_PARENT = "Error.ExtendsException.NO_PARENT"; 
	
	
	public static final String NAME_EXCEPTION_NAME_REQUIRED = "Error.NameException.NAME_REQUIRED"; 
	public static final String NAME_EXCEPTION_NAME_FORBIDDEN = "Error.NameException.NAME_FORBIDDEN"; 
	public static final String NAME_EXCEPTION_DUPLICATE = "Error.NameException.DUPLICATE"; 
	public static final String NAME_EXCEPTION_HAS_REFERENCES = "Error.NameException.HAS_REFERENCES"; 
	public static final String NAME_EXCEPTION_DOT_FORBIDDEN = "Error.NameException.DOT_FORBIDDEN"; 
	
	
	public static final String PROPERTY_NAME_EXCEPTION_PROPERTY_NOT_VALID = "Error.PropertyNameException.PROPERTY_NOT_VALID"; 
	public static final String PROPERTY_NAME_EXCEPTION_MEMBER_NOT_VALID = "Error.PropertyNameException.MEMBER_NOT_VALID"; 
	
	public static final String PROPERTY_VALUE_EXCEPTION_INVALID_VALUE = "Error.PropertyValueException.INVALID_VALUE"; 
	public static final String PROPERTY_VALUE_EXCEPTION_CHOICE_NOT_FOUND = "Error.PropertyValueException.CHOICE_NOT_FOUND"; 
	public static final String PROPERTY_VALUE_EXTENSION_SETTING_FORBIDDEN = "Error.PropertyValueException.EXTENSION_SETTING_FORBIDDEN";