setting multiple boulders with same attributes but different x/y

updated leaflet to 0.7.2, since bug with Chrome 32
display multi-color markers on firefox as well

though it looks ugly
updated description
displaying ID and initial grade for boulders
introduced JSON API
removed jquery panzoom, not needed anymore
removed old foundation view
refactored resources

Conflicts:
	grails-app/conf/ApplicationResources.groovy
	web-app/js/vendor/angular-resource.js
	web-app/js/vendor/angular.js