Removed INITIAL_PARTITION_COUNT

  * Note: This should be merged 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