hhvm-pgsql tests
hhvm-dbase extension
hhvm-geoip extension
hhvm-msgpack extension
hhvm-3.4 support --devel versions
lz4 compression when saving server state

facebook/hhvm@e154a42
Merge pull request #141 from mcuadros/extensions

hhvm-extensions
use newest xcode when buildin
Portability boost, gflags, glog