Merge branch 'wasile-orderv2' into orderv2
show an error if LiveUpdate fails
fix for redirect to error message if LiveUpdate fails: show error message only if LU failed
use file_exists() instead of filemtime()
another fix for redirect to error message if LiveUpdate fails: show error message only if LU failed
fixes for PrestaShop 1.4

- fix for backward_comaptibility/payment.php
- add backward_comaptibility/return.php
- fix for EpaymentPrestaShopAdapter::getLuForm()
- fix for IPN url generation in module config form
ipn.php for PrestaShop 1.4
enhanced parsing of IDN response
enhanced parsing of IRN response
rename hookDisplayHeader() to hookHeader()
Merge branch 'wasile-orderv2' into orderv2
fixes for standard compliance
fix css to fit admin logo image on 1.4
tab indend
Do not use brackets { } for single line in "else ()"
remove unused $return_array
fix css loading in admin
updated README.md
Merge pull request #1 from PayU/orderv2

Orderv2