Gruntfile.js: minor refactoring.
Move app in tests.

Close #55.
Update dependencies.
Force LF for tests/**/css.

Closes #59.
Merge pull request #60 from XhmikosR/master

Minor improvements
Added reporting option.

Also, print out a report.

Do not load grunt-lib-contrib via load-grunt-task.

Change to be using grunt-lib-contribs reporting option and update README.

Update packages.
Merge branch 'master' of github.com:sedovsek/grunt-uncss