drun: auto detect virtual environment and switch to it
do not allow 'root' to run drun/dpark over mesos
fixbug: super(type, obj) can ONLY used on new class object
improve executor and scheduler
bugfix
add Filters for launchTasks()
add mesos-slave in Python
add batch method
simplify batch implementation
kill mpirun process before waitpid
Detector do not base on Process, use callback instead
catch exception when mpirun has exited.
bugfix: uuid should be 16 bytes
bugfix: read empty body
no sched.disconnected()
drun: code refactor
pymesos: thread safe, process msg in background thread
hotfix
dpark streaming: clone of spark streaming
Merge branch 'master' of github-ent.intra.douban.com:davies/dpark into streaming