WFU-5604: Extract only the main country code when parsing Accept-Language Header
WFU-5604: Code reformatting
WFU-5604: Take care of fr_FR language type
WFU-5604: Update unit test
WFU-5604: Merge same base languages
WFU-5604: Adapt unit test
WFA-2052: fix php 5.4 impact on sfcultureinfo
Merge branch 'staging'