update to new Polymer 0.12.0+5, core_elements 0.1.1 and paper-elements 0.1.0+2,
update to new Polymer 0.12.0+5, core_elements 0.1.1 and paper-elements 0.1.0+2,

bwu-dart/bwu_fontawesome_iconset_svg,bwu-dart/bwu_fontawesome_iconset_svg