Make heka dashboard available to the host
Update heka to version 0.7.1
ansible-heka 0.3.0: Update heka to version 0.7.1
Merge branch 'release/0.3.0'

* release/0.3.0:
  ansible-heka 0.3.0: Update heka to version 0.7.1
  Update heka to version 0.7.1
  Make heka dashboard available to the host