Fixed benchmarks compile fail

Deleted files that should have been deleted.
Fixing Build.Scala, so that now Travis should report it.
Triangle count

Implements streaming triangle counting algorithm by Madhav Jha et al.
Computes also transitivity.
Merge pull request #73 from szymonm/urgentFix

Added benchmarks to build.
Reading graphs with generic ids
review fix: deleting quotation mark in readers
Minor fixes after review:

Implemented input errors handling.
Style fix.
pankaj review fixes
Division of sample graphs into smaller chunks

This commit enables concurrent read of sample graphs.
Merge pull request #75 from szymonm/SampleFilesDivision

Division of sample graphs into smaller chunks
Merge pull request #71 from szymonm/ReadingStringGraphs

Reading graphs with generic ids
Tunning parameters on 100 runs
Merge pull request #62 from szymonm/TriangleCount

triangle count - alpha version #49
Futures version of reading ArrayBasedDirectedGraph
Review fixes
Added twitter-util dependency to use Await.result
Review fixes

FuturePool to manage futures
Use Future.when
Indentation fix
review changes

* Using ubounded thread pool and parallelism limit
* minor fixes