Stage level scheduling, allow specifying other spark configs via ResourceProfile

With the addition of stage level scheduling and ResourceProfiles, we only allow certain resources to specified currently.  There are many other configs that users may want to change between changes. We should look at adding in perhaps SparkConf settings.

One very specific one that was brought up in review was ability to change yarn queue (if that is even possible in yarn) between stages because someone might want ot use one queue for ETL and a separate queue for ML where there are nodes with GPU.  Or perhaps node labels separately.