[three,physijs] fix tests to fullfill travis needs.

types/physijs/test/collisions.ts

@@ -90,7 +90,7 @@ spawnBox = (function() {
 
     var box_geometry = new THREE.BoxGeometry( 4, 4, 4 ),
         handleCollision = function( collided_with ) {
-            var target = <any>this;
+            var target = this as any;
             target.collisions = 0;
             switch (++target.collisions) {
 
@@ -168,4 +168,4 @@ render = function() {
     render_stats.update();
 };
 
-window.onload = initScene;
+window.onload = initScene;

types/physijs/test/vehicle.ts

@@ -186,11 +186,11 @@ initScene = function() {
                 );
             }
 
-            input = <any>{
+            input = {
                 power: null,
                 direction: null,
                 steering: 0
-            };
+            } as any;
             document.addEventListener('keydown', function( ev ) {
                 switch ( ev.keyCode ) {
                     case 37: // left

types/three/test/css3d/css3d_periodictable.ts

@@ -181,8 +181,8 @@
             //
 
             var object = new THREE.Object3D();
-            object.position.x = (<number>table[i + 3] * 140) - 1330;
-            object.position.y = - (<number>table[i + 4] * 180) + 990;
+            object.position.x = ((table[i + 3] as number) * 140) - 1330;
+            object.position.y = - ((table[i + 4] as number) * 180) + 990;
 
             targets.table.push(object);
 
@@ -354,4 +354,4 @@
         renderer.render(scene, camera);
 
     }
-}
+}