move building CLASSPATH into graphlab-twill
step for renaming
finish renaming
Add better error messages
Make sure to shutdown the executors
we only take 5 arguments
find the hadoop command in the HADOOP_COMMON_HOME
add a driver script
Don't clear the path
add a better docstring for GraphLabRunnable
Make sure we get enough arguments
Merge pull request #1 from erickt/master

refactor graphlab-twill