added scalacheck dependency to sbt project
variable refactoring
Start implementing model family.
added 1D crowding distance tests
Merge branch 'master' into modelfamily

Conflicts:
	src/main/scala/fr/iscpif/mgo/elitism/ProfileElitism.scala
	src/main/scala/fr/iscpif/mgo/package.scala
	src/main/scala/fr/iscpif/mgo/test/TestNovelty.scala
Add population and archive in mutation and crossover interfaces.
Add sonatype deployement info.
Merge branch 'master' of github.com:romainreuillon/mgo
Implement basic stat tools.
Merge branch 'master' into modelfamily
Implement model family mutation.
Fix import.
Refactoring and impelement further model family.
Merge branch 'modelfamily'

Conflicts:
	src/main/scala/fr/iscpif/mgo/tools/Math.scala
Fix model family runtime error.
Fix rastriging function.
Working version of model family.
Add sbt sonatype dep.
Use predifine repo.
Use lenses for fitness.