Arms of Canada signature CSS Modifications

New SASS Only pull request for Arms of Canada Signature

Added classes to support a 65 pixel high navigation top bar for use with Arms of Canada signatures.

Also added two example pages in the demo section. Not yet linked to the index page. Not sure how you would like to proceed with an example.

RCMP crest files added for now as an example, these can also be changed/modified as per your preferences.