Updated ImportFiles2 to use new API style (Request2) and to handle all file imports (ifs, hdfs and s3) based on prefix (e.g. s3://, hdfs://).
Merge branch 'master' of github.com:0xdata/h2o
Updated import files to work for all of nfs/hdfs/s3
Merge branch 'master' of github.com:0xdata/h2o
Added new files missing from my previous commit.