added description of Query Board challenge
included sample input file to Query Board challenge
solved Query Board challenge using Scala
added description of Simple Sorting challenge
included sample input file to Simple Sorting challenge
solved Simple Sorting challenge using Scala
added description of Penultimate Word challenge
included sample input file to Penultimate Word challenge
solved Simple Penultimate Word challenge using Scala
added description of Capitalize Words challenge
included sample input file to Capitalize Words challenge
solved Capitalize Words challenge using Scala
added description of Swap Case challenge
included sample input file to Swap Case challenge
solved Swap Case challenge using Scala
added description of Find a Writer challenge
included sample input file to Find a Writer challenge
solved Find a Writer challenge using Scala
added description of Calculate Distance challenge
included sample input file to Calculate Distance challenge