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Merge branch 'zm-master'
reconcile with master
Merge pull request #7 from jknowles/plotEnsemble

Plot ensemble
Merge pull request #8 from zachmayer/master

Rebase to upstream
clean up roxygen unnecessary @method calls
pb on multiPredict is now user controlled
fix output of predict.caretEnsemble
oops, fixing a test
getting the right test is hard
tests revamped to match predict changes
zach suggestions
Merge pull request #73 from jknowles/releaseFixes

Release fixes