rescaffolding with latest version yeoman

note that jquery-ui images are not copied to the dist,
because Gruntfile.js is reset.
drop jquery-ui

jquery-ui accordion is replaced by bootstrap accordion.
tiny-console is not resizable anymore.
bootstrap.js is updated from 2.3.0 to 2.3.1
bootstrap responsive is added by importing relevant modules.

Issue: menu disable states are not implemented yet
improve UI, mainly on the accordion menu