Merge pull request #49 from JDutil/specs.

Second part of this pull request - the specs.
Merge pull request #49 from JDutil/specs.

Locked sass-rails to a specific version because http://stackoverflow.com/questions/22426698/undefined-method-environment-for-nilnilclass-when-importing-bootstrap-into-ra.
Copied gem dependencies from spree_frontend.

spree/spree@708632df7691710e9f05f06c62a278c95ed8fb14

Continuation of #49 to fix the specs.
Merge branch 'JDUtil-specs'