Support abort in the debugger. (#2273)

Aborts are not caught by catch/finally blocks,
so it is possible to stop a script using the debugger.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com

tests/debugger/do_throw.js

@@ -12,8 +12,24 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-function inevitable() {
-  print("An error will be thrown.");
+function f() {
+  return 32;
 }
 
-inevitable();
+function g() {
+  f();
+}
+
+try {
+  try {
+
+    while (true) {
+      g();
+    }
+
+  } catch (e) {
+    var s = "Stop here";
+  }
+} catch (e) {
+  var s = "Stop here again";
+}