Only bind to IPv4 addresses when trying to auto-detect external IP
Clarify the documentation on env variables for standalone mode
Add more Akka settings to docs
Move JavaAPISuite into spark.streaming.
Merge pull request #392 from stephenh/javaapisuite

Move JavaAPISuite into spark.streaming.
Remove unneeded/now-broken saveAsNewAPIHadoopFile overload.
Merge pull request #395 from stephenh/fixrecursion

Remove unneeded/now-broken saveAsNewAPIHadoopFile overload.
Use default arguments instead of constructor overloads.
Merge pull request #400 from stephenh/sparkcontextcstrs

Use default arguments instead of constructor overloads.