adding php to rev1 folder
adding php client to docs
Merge pull request #365 from matthewfl/rev1-add-php

Rev1 add php
Update submodules
fixing sub fields on docs
Merge pull request #367 from matthewfl/subfields

fixing sub fields on docs
Update rev1 json
Update submodules
Yellow alert!
Update php submodule
Update submodules
Fixes balanced/balanced-docs#347