Backports 1.2.1#2

Merged

mingyukim merged 3 commits intobranch-1.2.1-palantirfrom

backports-1.2.1

Mar 12, 2015

Commits on Mar 6, 2015

[SPARK-5691] Fixing wrong data structure lookup for dupe app registratio...

mccheah
authored and
mingyukim
committed
[SPARK-4808] Removing minimum number of elements read before spill check

mccheah
authored and
mingyukim
committed

Commits on Mar 9, 2015

Preparing Palantir Spark release v1.2.1-palantir1
mingyukim
committed