Task :: Clieny Site validation.

1. rb_credit_card nampespace added with some cards formate.
2. Handler rb-credit-card, rb-cvc-length, rb-regex-pattern and rb-exp-date add.
3. Improve handleresponse method ( Data attribute add for identify error-msg element.)
task :: Adds a Joomla helper function to get all languages
Merge branch 'develop' of https://github.com/readybytes/rbframework into develop