Removed INITIAL_PARTITION_COUNT          

          * Note: This should be committed with SPOI-3346
          * Removed INITIAL_PARTITION_COUNT
          * Updated partitioners which dependend on the INITIAL_PARTITION_COUNT with a property which defines the number of partitions.
          * Added comment to partitioners which don't support parallel partitioning
          * Added tests for some apps
          * Made pom.xml for benchmark and contrib copy dependencies to target/deps to make it easier to launch apps
          * Tested with all functional apps