Support L10n Location Names in CSV import & use these for NEREIDS
ajaxS3 to execute error-callback once+after retry, fix unauthori*s*ed in filter manager, fix input field watermark, filter loader to update location filter widgets, fix hierarchical_location_change (still not 100% ok and a bit cumbersome), reset filter also resets filter selector, filter manager optional (yet default), make filter-manager update-confirmation optional.
Cleanup icons.