adds lean scheduler feature

adds support for logical blocks and Java API

adds veloxd deamon controller, replaces eclipsed

optimizations for local IO

Merge pull request #138 from DICL/add-portable-automake-makefile

Enable Makefile.am to be extendible.

Very small change, it allows to avoid merging the Makefile.am whenever we update VeloxMR. I merge it now since later we will forget about this.

It comes from VeloxMR repository. I cherry-picked the commit: cb1bb46

This pull request will release: 1.8.4

Merge pull request #137 from DICL/cleaning-logical-blocks-feature

Completes and isolates logical block feature

Adds the DFS changes introduced in VeloxMR fork

- Added fast APPEND functionability.
- Added channel stay alive 10 seconds.
- Fine grain synchronized network module.
- Remove unrelated deprecated files

Added Subblock feature, its experimental but disabled by default

Added Java client API and refactored C++ client API

- Separated the command line client interface from the C++ client API.
- Added default options for the settings.
- Append is finally fixed
- write does not consider new line records (To Be fixed)

Changed Client API & several implementation changes