Remove duplicate documentation of options (which was out of date).
Remove vestigial hack.
Support scalding modules with --hdfs.
cascading and cascading-jdbc have different release cycles.
Merge pull request #789 from fs111/develop

cascading and cascading-jdbc have different release cycles.
Merge pull request #788 from ljrittle/module-support-with-hdfs-mode-in-scald.rb

Module support with hdfs mode in scald.rb
use latest bugfix release of cascading-jdbc-core by default
Merge pull request #791 from fs111/develop

use latest bugfix release of cascading-jdbc-core by default
flatten in cases where an empty nested array would confuse join.
Add KeyedListLike transformation
Merge pull request #796 from twitter/jco/794

Add KeyedListLike implicit transformation to TypedRichPipeEx
Merge pull request #795 from ljrittle/module-support-with-hdfs-mode-in-scald.rb

flatten in cases where an empty nested array would confuse join.
add javac options to build for java 6
Merge pull request #799 from twitter/buildforJava6

add javac options to build for java 6
Update --print-cp to include user-selected modules.
Add support for scalding-repl.
Use new features in scald-repl.sh.
Merge pull request #805 from ljrittle/module-support-for-print-cp

Update --print-cp to include user-selected modules.
Revert "Merge pull request #762 from themodernlife/develop"

This reverts commit a1bca1fbda1f251d7b23c2aa7f85e380f8641cd7, reversing
changes made to 4602940ff9b82d434f0144c7b990e75dca30f754.
Merge pull request #806 from twitter/jco/undo_762

Revert "Merge pull request #762 from themodernlife/develop"
Remove vestigial uses of .readAtSubmitter
Merge pull request #807 from twitter/jco/remove_warnings

Remove vestigial uses of .readAtSubmitter