civicrm/civicrm-core — pull request #2890 by pratik-joshi (2014-04-14 08:14:24+00:00)
Title: CRM-14429 : Contact import fails silently on lookup of custom field option values by label

formatting handling for 'Select', 'Radio', 'Autocomplete-Select' was not done, while in case of checkbox and other multi-option fields formatting was handled.