Some cleanup =>
  - remove unused import
  - remove useless braces
  - remove useless semicolon
  - correct package declarations
  - correct Global declaration in configuration
  - etc
Replace "Slick" dependency by "play-sick" and change Scala version becase play-slick is'nt yet compatible with Scala 2.11
Use play-slick instead of Slick directly in the code
Merge branch 'play-slick' of https://github.com/guizmaii/play-silhouette-seed into guizmaii-play-slick
Merge branch 'guizmaii-play-slick'
Fix update statement
Ignore evolution scripts