Revert "Revert "Issue #112: copied scikit-image theme CSS""
Revert "Revert "Issue #112: copied scikit-image theme CSS""

This reverts commit b4159a65d11ba674e874ef084094f8d2141b2c90.

NifTK/NiftyNet,NifTK/NiftyNet,NifTK/NiftyNet,NifTK/NiftyNet