This is the GA release of the 2.2.2 SDK. It is a maitenance release
with several fixes:
Changes:
* PCBC-410: consolidate libcouchbase and extension loggers, and expose them through PHP logger
* PCBC-409: bubble errors from server on view upsert
* PCBC-417: do not send duplicated requests for multi-get
* PCBC-423: report N1QL error details via logger
* Documentation updates and bug fixes