Adding a ReplTutorial and an integration test for the REPL
Minor cleanup
Now verifying that the tutorial actually succeeds.
Cleaned up the docs
Refactoring so that both the scald-repl.sh and test_tutorials.sh can avail of resetting the stty
Refactoring to ensure that REPL also works with Scala 2.10.
contraMap and andThen on TypedSink/TypedSource
Add constructors to ValuePipe
Clarified comment about exit code
Merge pull request #892 from twitter/oscar-transform

contraMap and andThen on TypedSink/TypedSource
Merge remote-tracking branch 'upstream/develop' into develop
Properly close tuple iterator in test framework.
Addressing Ian's comments on PR
Tutorial 0-4 implemented for typed tutorial.
most of Tutorial5 (joins) implemented
working on getting Tutorial5 to do the right thing
working Tutorial 5
refactor comments
clean up comment
add comments, put 'TextLine()' into each case