Clickable textViews

 * We can now call the promoter by clicking on the phone textview in the contact part
 * We can now go to the website by clicking on the website textview in the contact part
 * We can now mail the promoter by clicking on the mail textview in the contact part
 * Change the header margins
 * In the list of tournaments, the city and the description are on one line

TO DO :
 * Change the contact part in order to put icons instead of textviews