minor spelling fix
Initial implementation of triangle counting
kmeans clustering implementation and simple tests
Merge branch 'master' of https://github.com/grafos-ml/okapi into kmeans_clustering
fixes bug with euclidean distance computation
added 2 more tests, using Stratosphere's KMeansDataGenerator
correct vertexID type in OutEdges
Fix in PrefixHashPartitionerFactory, compatibility with latest Giraph
Merge pull request #10 from dlogothetis/partitioner-fix

Fix in PrefixHashPartitionerFactory, compatibility with latest Giraph
refactoring changes
deleted unecessary tests
Merge pull request #9 from vasia/kmeans_clustering

K-means clustering
Release 0.3.4.
Maximum b-matching algorithm
git ignore eclipse
i/o formats
change source to 1.7
test
minor comment
Merge branch 'master' of github.com:grafos-ml/okapi into triangles