Added some basic cleanup.
Added an adjaceny reader.
Merge branch 'master' into optigraph
Cleaned up OptiGraph code.
Cleaned up a little syntax.
Added some more cleanup.
Fixed scaling in TCounting.
Cleaned up some code.
Fixed minor bug.
updated page rank to mirror graphlab and fixed test issues.
Page rank finished.
Changed max iter for pagerank.
Added number of iterations in.
Fixed compile error.
Added print graph method for army students.
merged wip-clusters
added graphs apps with csr reader
updated csr graph readers
merged cpp-hashmap
remove duplicate codegen