Do not display htmlentities in project name

Fix tasks #7103 HTML entities displayed in the name of the project in
the search boxes (eg: R&D)

This is part of story #7019: search with nice interface

Change-Id: I7cccee2a44b6f59c8cf94e7d9d4e14ea26a9ca3b
Do not display empty pane box for project

When the project into you are searching for has no wiki, forumml, or tv3
service activated, the panel on the left is shown empty wich is quite
ugly.

No we display a (small) message to inform the end user.

Fix tasks #7101: The "Recherche dans <MyProject>" box may be empty.

Part of story #5756: search with nice interface

Change-Id: I80b0757533c7a7f0c1de551238a3ef9cf3939915
Merge commit 'refs/changes/79/2679/1' of ssh://gerrit.tuleap.net:29418/tuleap into stable

* ssh://gerrit.tuleap.net:29418/tuleap:
  Do not display empty pane box for project
  Do not display htmlentities in project name
This is Tuleap 7.1.99.57

Change-Id: I69e01147de3b720faca06e9694f0291e34a91800