removed rake wrapper task because json dir can be set in initializer. Added initializer and updated _('') to __('') DMPRoadmap/roadmap#204

hacked jquery.timeago.js to work with new gettext localisation. Added timeago text to pot and po files. DMPRoadmap/roadmap#204

moved assets from app/assets to lib/assets. The files in lib/assets will be used by Rails unless override by an equivalent file in app/assets. Added logic to applicationController so that it will look first for a template in app/views/[:branded folder name] before using the default in app/views