git commit: SPARK-1488. Resolve scalac feature warnings during build

Repository: spark Updated Branches: refs/heads/branch-1.0 fdebb6952 - 74718285a SPARK-1488. Resolve scalac feature warnings during build For your consideration: scalac currently notes a number of feature warnings during compilation: ``` [warn] there were 65 feature warning(s); re-run with

git commit: SPARK-1488. Resolve scalac feature warnings during build

Repository: spark Updated Branches: refs/heads/master 268b53567 - 0247b5c54 SPARK-1488. Resolve scalac feature warnings during build For your consideration: scalac currently notes a number of feature warnings during compilation: ``` [warn] there were 65 feature warning(s); re-run with