Fix scss-lint rake task

Change-Id: I2d23edfd6293250044a0cb592813a98d39af3ee4
Reviewed-on: http://gerrit.causes.com/43588
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane.dasilva@brigade.com>
Clean up rake task fix

Change-Id: I73cd283a9c73d71d9bca271fa1b577aead5954bd
Reviewed-on: http://gerrit.causes.com/43589
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane.dasilva@brigade.com>