Client library: fix initial meta server RPC timeout setting with protocol worker.
Client library: fix meta server parameter setting with protocol worker by performing the actual parameters change in the worker thread in order to avoid race. In particular meta server protocol state machine reference counter modification race.
Hadoop shim: fix hadoop 1.x builds after clean, by removing all hadoop 2.x class dependencies from QuantcastFileSystem, and moving Qfs class into separate maven module which is only compiled with hadoop 2.x. Convert javabuild.sh to use sh instead of bash.
Merge branch 'master' of github.com:/quantcast/qfs