Changed the model to anorm and fixed the db action

The model now uses anorm, and the db returns proper json an uses futures
Change to parallel collections

... and shamelessly copied the dispatch settings from here:
https://github.com/TechEmpower/FrameworkBenchmarks/pull/40
Merge branch 'master' of https://github.com/Skamander/FrameworkBenchmarks into Skamander-master
Updated benchmark_config file to include db/query urls