ENYO-2483: Reworked the presentation of tweets, added date information and clickable links

* ENYO-2483: Reworked a little bit the presentation of tweets (HEAD, origin/ENYO-2483, ENYO-2483)
* ENYO-2483: Reworked the presentation of tweets, added date information and clickable links
* ENYO-2483: Refined a little bit the look of the second panel
* ENYO-2483: Added an error and wait popup

Enyo-DCO-1.1-Signed-off-by: Yves Del Medico <yves.del-medico@hp.com>