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