HPCC-8541 - Add examples illustrating calling Python, Java, Javascript from ECL

Corrected to use rtlMalloc rather than new char.

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>
HPCC-8541 - Add examples illustrating calling Python, Java, Javascript from ECL

Add a JavaScript example that uses Mozilla SpiderMonkey.

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>