[SPARK-21890] Credentials not being passed to add the tokens #19140

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redsanket wants to merge 7 commits intoapache:masterfrom

redsanket:SPARK-21890-master

Commits on Sep 1, 2017

Credentials not being passed to gather the tokens
Sanket Chintapalli
committed

Commits on Sep 5, 2017

Feel fetchCreds is appropriate naming convention
Sanket Chintapalli
committed
Fix scala style tests
Sanket Chintapalli
committed
style tests
Sanket Chintapalli
committed

Commits on Sep 6, 2017

add back PRINCIPAL check aka spark.yarn.principal for renewing tokens
Sanket Chintapalli
committed
move spark conf to group scala style tests
Sanket Chintapalli
committed
fix style tests again
Sanket Chintapalli
committed