PLF-5806: [WAI] Redundant tooltip of Logo home image

Fix description:
* Remove the redundant attributes
PLF-5702 : Cannot redefine favicon.ico because it's defined in trial.war
PLF-5514: [Space Navigation] Show more button still appears when there are no more results

Fix description:
* Hide "Show more" button during searching space.
PLF-5377: Error when assigning an LDAP user in a group and this user is not synchronized

Problem analysis
	- When a membership is created, a folder is created in OrganizationIntegration.
          If that folder for the user is not avaiable, there is exception when server tries to create membership folder.

Fix description:
	- Only create membership folder if user folder and group folder are both available
PLF-5834 No language input in Announcement template

Fix description:
* Add language field in Announcement template
Merge commit 'bb1b9b91e11b8e4d21b5b07bad5e8c7dee1f14a2' into HEAD