Merge branch 'master' of https://github.com/snetdev/lpel
separate information used for lpel stream and hrc stream
  + stream structure now has one member to support scheduling in hrc
  + this new member stream_sched_info_t is used to keep track task
  neighbourship for conductor to update priority
  + task destroying is now done by conductor to avoid accessing to
  destoryed task (by worker)
Merge pull request #22 from nguyenvuthiennga/master

Bug fix: avoid segmentation fault when conductor accesses to destroyed neighbour task