Update Jerry API

* Removed jerry_string_t and jerry_object_t
* Updated function names
* Updated return values
* Updated function descriptions
* Added new functions
* Added new unittests

JerryScript-DCO-1.0-Signed-off-by: László Langó llango.u-szeged@partner.samsung.com

jerry-core/ecma/operations/ecma-objects.c

@@ -1,4 +1,5 @@
 /* Copyright 2014-2016 Samsung Electronics Co., Ltd.
+ * Copyright 2016 University of Szeged.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -277,8 +278,11 @@ ecma_op_object_put (ecma_object_t *obj_p, /**< the object */
  * See also:
  *          ECMA-262 v5, 8.6.2; ECMA-262 v5, Table 8
  *
- * @return ecma value
- *         Returned value must be freed with ecma_free_value
+ * Note:
+ *      returned value must be freed with ecma_free_value
+ *
+ * @return true, if deleted successfully
+ *         false or type error otherwise (based in 'is_throw')
  */
 ecma_value_t
 ecma_op_object_delete (ecma_object_t *obj_p, /**< the object */
@@ -315,7 +319,7 @@ ecma_op_object_delete (ecma_object_t *obj_p, /**< the object */
     {
       JERRY_ASSERT (false);
 
-      return ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);
+      return ecma_make_simple_value (ECMA_SIMPLE_VALUE_FALSE);
     }
   }
 } /* ecma_op_object_delete */