Add interpreters for APL and J (#3029)

* Add APL interpreters

* Add J interpreter

* Add test fixtures for APL/J interpreters

samples/APL/hashbang

@@ -0,0 +1,7 @@
+#!/usr/local/bin/apl --script
+NEWLINE ← ⎕UCS 10
+HEADERS ← 'Content-Type: text/plain', NEWLINE
+HEADERS
+⍝ ⎕←HEADERS
+⍝ ⍕⎕TS
+)OFF

samples/J/hashbang

@@ -0,0 +1,3 @@
+#!/bin/jconsole
+echo 'Hello, GitHub!'
+exit ''