ECMS-6428 Make entity in cache implement Serializable, remove cluster configuration for ScriptService Cache
ECMS-6417 [IE][ACME]CLV can not display contents in a restricted access folder. reload pagelist of CLVPresenstation when no permission access to folder path

 - Root cause: When can not get contents to display (access denied), old contents of previous rendering phase are still kept to display
 - Fix: When can not get contents to display (access denied), clear old contents list.
ECMS-6435: [IE8] Missing tooltip of icons in CLV and SCV

Fix description:
* Move the attributes wrongly added into <i> tag to <a> tag.
Merge branch 'master' into feature/skin-module