Add functional tests for cascading
Add pigpen-tests dependency
Implement :group for local mode
Add functional tests for limit, sample, and distinct. Implement limit, sample, distinct, and union in local mode.
Merge pull request #95 from Netflix/local-mode-group-by

Implement :group for local mode
Merge pull request #96 from Netflix/local-mode-filter

Implement limit, sample, distinct, and union in local mode
Create a new pigpen-rx project with a streamlined non-pig rx implementation. Currently matches functionality of pigpen-local.
Add group-all to local & rx
Implement join for local & rx
Add script to local
Move fold test to pigpen-tests. Implement fold in local mode. End pig-rx!
Merge pull request #97 from Netflix/rx-clean

New clean rx implementation
Merge branch 'sans-pig' into cascading-functional-tests

* sans-pig:
  Move fold test to pigpen-tests. Implement fold in local mode. End pig-rx!
  Add script to local
  Implement join for local & rx
  Add group-all to local & rx
  Create a new pigpen-rx project with a streamlined non-pig rx implementation. Currently matches functionality of pigpen-local.
  Add functional tests for limit, sample, and distinct. Implement limit, sample, distinct, and union in local mode.
  Implement :group for local mode

Conflicts:
	settings.gradle
Disable new tests for not-implemented features
Merge pull request #94 from Netflix/cascading-functional-tests

Add functional tests for cascading