Upgraded spark version to 1.0.2
Upgraded spark version to 1.0.2
Merge branch 'master' into spark_pca_example
Merge branch 'master' into spark_pca_example
Merge branch 'master' into spark_pca_example
Merge branch 'master' into spark_pca_example
Added PCA first cut
Fixed pca bugs still validating some data
Merged from upstream master
Simplified commit
Merge pull request #10 from elmer-garduno/spark_pca_example

Spark pca example
Added spark PCA example
Fixed default parameter values for maxResults
Addressed comments on PCA code
Merge pull request #11 from elmer-garduno/spark_pca_example

Spark pca example
Reduced emited values bi half and centered the matrix.
Update scala version to prevent errors with SBT.
Fixed imports
Merge pull request #14 from elmer-garduno/spark_pca_example

Improvements on PCA code
Merge branch 'pca-examples'

Conflicts:
	build.sbt
	src/main/scala/com/google/cloud/genomics/spark/examples/rdd/VariantsRDD.scala