Implement other routines of Promise (#1729)

Add Promise.resolve, Promise.reject, Promise.race, Promise.all and
Promise.prototype.catch

Also it fixes the issue 1763

JerryScript-DCO-1.0-Signed-off-by: Zidong Jiang zidong.jiang@intel.com

tests/jerry-test-suite/es2015/25/25.04/25.04.04/25.04.04-001.js

@@ -13,4 +13,7 @@
  * limitations under the License.
  */
 
-assert (Promise.prototype.length === 1);
+Promise.resolve("abc").then(function(x)
+{
+  assert (x === "abc");
+});