Artifacts fixes part 4

Completely fixed the artifact of the fool and fixed all kind of
artifact:

+Deleted some useless .tpl files and merged into one (Stable)
+The artifact of the fool effect won't be displayed if not active
+Fixed a bug that permitted to have a great and a unique artefacts
active at the same moment
+Big reductions of code in a lot of files
+Created some new methods to support artifacts
+Fixed a bug that prevented the effect of the "Rivals confusion" to work
correctly
+Fixed a bug that prevented "The eagles eyes" artifact to work correctly
for the attacker
+Fixed the artifact of the fool of every kind, now it's calculated with
a new method
+Fixed the cranny capacity when a "Rivals confusion" artifact is active
+Some minor bug fixing , improovements and optimization

Templates/Build/20.tpl

@@ -20,7 +20,7 @@
 				<tbody>
                 <?php
 				if($session->tribe != 4){
-                include("20_".$session->tribe.".tpl");
+                    include("20_train.tpl");
 				}
                 ?>
 				</tbody>
@@ -36,7 +36,6 @@
 	}
     $trainlist = $technology->getTrainingList(2);
     if(count($trainlist) > 0) {
-    //$timer = 2*count($trainlist);
     	echo "
     <table cellpadding=\"1\" cellspacing=\"1\" class=\"under_progress\">
 		<thead><tr>