Fix for PHP < 5.2 (always use G::json_encode not json_encode).
Fix for PHP < 5.2 (always use G::json_encode not json_encode).


tomolimo/processmaker-server,colosa/processmaker,baozhoutao/processmaker,baozhoutao/processmaker,baozhoutao/processmaker,colosa/processmaker,hitsumabushi/processmaker,hitsumabushi/processmaker,hitsumabushi/processmaker,colosa/processmaker,tomolimo/processmaker-server,baozhoutao/processmaker,tomolimo/processmaker-server,tomolimo/processmaker-server,hitsumabushi/processmaker,colosa/processmaker,baozhoutao/processmaker,baozhoutao/processmaker,tomolimo/processmaker-server,colosa/processmaker,hitsumabushi/processmaker,tomolimo/processmaker-server,colosa/processmaker,hitsumabushi/processmaker