InstantAnswer.pm - add current_ia function to retrieve the latest edits for a given IA
InstantAnswer.pm - make use of the new current_ia function inside commit_json
Merge pull request #360 from duckduckgo/iaindex_new

IA Pages Index - update layout to match the mockup
Merge pull request #366 from duckduckgo/current_ia

InstantAnswer.pm - add current_ia function