Touching up README.md.
Touching up README.md.

Seagate/hadoop-on-lustre,Seagate/hadoop-on-lustre,Seagate/hadoop-on-lustre,Seagate/hadoop-on-lustre,Seagate/hadoop-on-lustre,Seagate/hadoop-on-lustre,Seagate/hadoop-on-lustre,Seagate/hadoop-on-lustre,Seagate/hadoop-on-lustre