Merged all branches locally.

    * Up to date DMap
Renamed Builder method & improved parameter names

    * Renamed DMap.Builder.load() to build() [Missed in the previous
      commit]
    * Changed the DMapBuilder constructor parameter to a more readable
      one.
    * Updated README with an example for latest API changes.
Merge pull request #10 from vvenkatr/updates

Updated README and small changes.