Force added the sample index page - a mosaic of category images
Updated navigation bar code.
Added refactored navbar and index page. Also including sample image file
Merge branch 'master' of https://github.com/leifos/ifind

Conflicts:
	applications/rmiyc_project/data/www-gla-ac-uk-undergraduate-degrees-aeronauticalengineering-.png
	applications/rmiyc_project/data/www-gla-ac-uk-undergraduate-degrees-aeronauticalengineeringsit-.png
	applications/rmiyc_project/data/www-gla-ac-uk-undergraduate-degrees-aerospacesystemssit-.png
	applications/rmiyc_project/data/www-gla-ac-uk-undergraduate-degrees-biomedicalengineering-.png
	applications/rmiyc_project/data/www-gla-ac-uk-undergraduate-degrees-civilengineering-.png
	applications/rmiyc_project/data/www-gla-ac-uk-undergraduate-degrees-civilengineeringwitharchitecture-.png
	applications/rmiyc_project/data/www-gla-ac-uk-undergraduate-degrees-electronicsoftwareengineering-.png
	applications/rmiyc_project/data/www-gla-ac-uk-undergraduate-degrees-electronicswithmusic-.png
	applications/rmiyc_project/data/www-gla-ac-uk-undergraduate-degrees-productdesignengineering-.png