refinements

Added properties to hotspots in DB;
Cleaned up JS;
Removed Classie and Modernizer;
reimplemented popup positioning;
added pins

TODO: fix popup when zooming and panning
Merge branch 'master' of https://github.com/dpilipenko/one-map

Conflicts:

one-map/grails-app/controllers/com/rosetta/onemap/OneMapController.groov
y
	one-map/grails-app/domain/com/rosetta/onemap/Hotspot.groovy
	one-map/web-app/js/main.js