Merge pull request #663 from lilyfan/Tarboz_w13

Tarboz w13
issue#642 - improved the no search result message still more
Merge pull request #664 from igoryen/issue#642

issue#642 - improved the no search result message still more
issue#667 - added tooltips to the 3 panels on the front page
Merge pull request #668 from igoryen/issue#667

issue#667 - added tooltips to the 3 panels on the front page
Changes again dec 1
Fixed issue669 -disable username link for un-logged-in user
Merge branch 'master' of https://github.com/hzahoori/Tarboz into Tarboz_w13
one more change in issue669