updated all dev dependencies to current
added jasmine-core to satisfy peer dependencies
updated syntax in unit tests due to breaking changes in jasmine 2.x syntax

added grunt-sass to dev dependancies
css refactored as sass
sass task added to gruntfile and included as part of default

sass linter added to dev dependancies and to default task
postCSS added to add vendor prefixes to css
removed old css file
pointed the example to the build folder's compiled css where it was referencing the old src css file