Checking in initial pb4php version as downloaded from http://code.google.com/p/pb4php/ (version 025)
Removed protobuf examples, as we don't need them.
Own patches to protobuf implementation, and a double-datatype patch from Dmitry Vorobyev
Original ql2.proto from RethinkDB
Minor modifications (reordering) to proto file, to work with incomplete pb4php implementation.
Initial PHP driver commit.
Initial docs code from RethinkDB. I was told the documentation was under an MIT license.
Initial PHP driver documentation added.