GJP-36 add setResolutions to Tileconfiguration
  create second constructor for Tileconfiguration object
  resolution getters and setters in JsViewport
Merge pull request #40 from geomajas/GJP-36

  GJP-36 add setResolutions to Tileconfiguration
Adapted showcase to new layout
Merge remote-tracking branch 'geomajas/master'
Merge pull request #41 from kurohyou/GJP-35-adapt-showcase

Adapted showcase to new layout
Merge remote-tracking branch 'geomajas/master'