Added experimental test402 support (JS internationalization standard).

test/suite/intl402/ch01/1.2/1.2-1_1.js

tools/packaging/packagerConfig.py

tools/packaging/templates/runner.intl402.html

website/json/default.json

website/json/intl402.json

website/json/testcases_bestPractice.json

website/json/testcases_ch07.json

website/json/testcases_ch08.json

website/json/testcases_ch09.json

website/json/testcases_ch10.json

website/json/testcases_ch11.json

website/json/testcases_ch12.json

website/json/testcases_ch13.json

website/json/testcases_ch14.json

website/json/testcases_ch15.json

website/json/testcases_intl402.json

website/testcases_intl402.html