Graph generator with HDFS support

[akyrolatwitter]

Hi Pankaj,

included by Graph generator with HDFS support. It requires the hadoop library, which I added to the SBT configuration.

Aapo

[caniszczyk]

Please add copyright header information.

[pankajgupta]

we don't really want to move to scala 2.9 just yet.

[pankajgupta]

'n' is not really needed

[CLAassistant]

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0 out of 2 committers have signed the CLA.

❌ Aapo Kyrola
❌ akyrolatwitter

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