ECMS-5833: JS error when deleting a document having accent character in name in German

Fix description:
  - UnescapeHtml for node's title and deleteNotice in java code
  - Replace " by ' to avoid loading javascript problem

Conflicts:
	core/webui-explorer/src/main/java/org/exoplatform/ecm/webui/component/explorer/rightclick/manager/DeleteManageComponent.java
ECMS-5833: JS error when restoring by Undo link a document having accent character in name in German

Fix description:
- Replace ' character for the case restore file from Undo link
ECMS-5833 change double quote to single quote in Germany resource bundle. Commit for stabilization branch