Add grunt and node gradle tasks
Add grunt and node gradle tasks

-remove command line calls for os dependent calls (rm -rf, karma start,
grunt build)
-clean up build.gradle to use ' instead of " for lines that aren't string
interpolation

Pinwheeler/Parrit,Parrit/Parrit,Parrit/Parrit,Pinwheeler/Parrit,Parrit/Parrit,Pinwheeler/Parrit,Parrit/Parrit