hoffart/dmap — pull request #3 by vvenkatr (2014-08-27 12:12:32+00:00)
Title: DMapBuilder Update : Adding Info in Global Trailer

* Updated DMapBuilder to store first key of a block along
with the block offset info in the global trailer. This
is to allow DMap to efficiently query for a key.

* Updated DMapBuilderTest to verify the latest changes