move third_party to top level getting ready to externalize
remove third-party since I can't seem to make git want to replace it with a submodule in the same commit
make third-party a submodule
Give nice message for missing submodule
remove old submodules directory
make life nicer for people with extra make artifacts
update licences for some I missed
we now have recursive submodules
keep whitespace from php5 tests, I guess
use same skipif as php5
merge in .fbbuild version