Added new ec2 type
Fix of two hidden bugs.

Bugs in outputed source code:
 - -1 error in outputing prediction
 - switched == with !=
Merge branch 'master' of github.com:0xdata/h2o
Removed debug print.
This is nasty quick hot fix.

Yes, it is nasty.
Merge branch 'master' of github.com:0xdata/h2o