refactor($core): exposes the dom event helper on widgets
feat(utils): adds some utilities to deal with dom
feat(widgets): adds some basic common widgets
feat(mixing): adds some widgets related mixing
chore(Gruntfile): updates to new uglify sourceMap form
chore(docs): use generated lit coffee file instead of sources
chore($npm): updates modules
chore(demos): updates demo file to inject scripts
Opt for a query solution and add mixing support