added operator for MLHR-1204
Merge branch 'dt-dev' of https://github.com/DataTorrent/Malhar into MLHR-1204
Squashed commit of the following:

commit 9a54f08e4b75397635cf07ff8ddbe97acaa2e8ce
Author: Milinda Sreenath <milinda@datatorrent.com>
Date:   Mon Jul 28 10:24:49 2014 -0700

    changed database credentials

commit f4f8e7e8794d4f93e81ac6843516012e421c0f44
Merge: f7314f6 bcc14a1
Author: Milinda Sreenath <milinda@datatorrent.com>
Date:   Fri Jul 25 17:00:13 2014 -0700

    Merge branch 'dt-dev' of https://github.com/datatorrent/Malhar into new_acc

commit f7314f67756960b7ca84481956d2f0fa4d59d73b
Author: Milinda Sreenath <milinda@datatorrent.com>
Date:   Fri Jul 25 16:50:36 2014 -0700

    added accumulo operators

commit db1d5459b7270a7113aa8694919049eec73bb973
Author: Milinda Sreenath <milinda@datatorrent.com>
Date:   Fri Jul 25 16:49:08 2014 -0700

    added accumulo operators

commit e853702a8d82d9e5158af810cf225b4801e209b4
Author: Milinda Sreenath <milinda@datatorrent.com>
Date:   Mon Jul 14 14:52:32 2014 -0700

    added accumulo files

commit 6f66bf506a7bee243c93af5ea14c27cbdae2a0fa
Author: Milinda Sreenath <milinda@datatorrent.com>
Date:   Mon Jul 14 14:51:36 2014 -0700

    saving accumulo changes

commit 7de3653fad75aa157f5f71e66f87d0d518376131
Merge: 41da8d0 a67ee91
Author: Milinda Sreenath <milinda@datatorrent.com>
Date:   Fri Jul 11 16:43:45 2014 -0700

    resolving merge conflicts

commit 41da8d0ac0bc8353a780575b7450ba7e2e75646b
Author: Milinda Sreenath <milinda@datatorrent.com>
Date:   Fri Jul 11 16:25:38 2014 -0700

    accumulo entry added to pom file
fixed hard coded values
changed the Range APIs to use org.apache.commons.lang3
kryo instance transient as it is ignored by java serialization
migrated twitter and rollingtopwords
removed unnecessary file
Merge branch 'dt-dev' of https://github.com/DataTorrent/Malhar into dt-dev
Merge pull request #975 from gauravgopi123/fix_mobile_demo

fixed hard coded values
Added missing @since tags for new release
Created new release branch.  Updating version to 1.0.4-SNAPSHOT
MLHR-1223: provide setting other connection properties on jdbc store
Merge pull request #976 from chandnisingh/MLHR-1223

MLHR-1223: provide setting other connection properties on jdbc store
MLHR-1253: added the documentation for keyhashvalpair
Merge pull request #977 from gauravgopi123/MLHR-1253

MLHR-1253: added the documentation for keyhashvalpair
MLHR-865: distributed distinct application
MLHR-865: fixed test cases
MLHR-865: review changes
MLHR-865: distributed distinct app