- Summary: [BZ]Adding of i18n key in properties with Designer

- Bugzilla Bug (s) Resolved:

- Description: Customize a linked properties class to save and load
properties file.

- Tests Description: Manual test.

- Notes to Build Team:

- Notes to Developers:

- Notes to QA:

- Notes to Documentation:

- Files Added:
/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/util/LinkedProperties.java

- Files Edited:
/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/ResourceEditDialog.java

- Files Deleted:

<<Chen Chao>>