JSON parsing with Play: why is a list being parsed this way?

JSON parsing with Play: why is a list being parsed this way?

References

Reference NO 1

http://stackoverflow.com/questions/15165337/json-parsing-with-play-why-is-a-list-being-parsed-this-way

Reference NO 2

http://stackoverflow.com/questions/17903232/parsing-list-of-strings-from-scala-future-json-response

Reference NO 3

http://www.playframework.com/documentation/2.1.1/ScalaJson

Reference NO 4

http://www.playframework.com/documentation/2.1.2/ScalaJsonCombinators

Reference NO 5

http://www.mandubian.com/2012/09/08/unveiling-play-2-dot-1-json-api-part1-jspath-reads-combinators

Reference NO 6

http://www.javacodegeeks.com/2012/03/play-20-akka-rest-json-and-dependencies.html

Reference NO 7

http://bcomposes.wordpress.com/2012/05/12/processing-json-in-scala-with-jerkson/

Reference NO 8

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