pass in r_script, and r_status

r_status determines whether there is an r_script that will be used
should probably be a kwargs
previous weight creation in an r_status is False block
subprocess rscript call that uses the weightexdir as param
new state tuples for agent state

was 10 unites, not 20
added parameters for r_script and r_status
Merge pull request #65 from chendaniely/feature-r-script-to-generate-weight-ex

Feature r script to generate weight ex