added "average improvement of fval" convergence test for firstorder minimization techniques.
Merge branch 'master' of github.com:dlwh/breeze
basic visualization capacities.
Merge branch 'master' of github.com:dlwh/breeze
improved the line search parameters for OWLQN some
fixed svd test.

i shouldn't assume that floating point is the same across machines...
0.1 Release.
0.2-SNAPSHOT
move sbt to bin/ update jar location.
possible fix for #13. 

Variance of Gamma variates was off by .1 (oddly consistently for 1 < shape < 10)
fix for suffstat scaling, and a test.
Made PTBTokenizer and object since it has no state.

Previously the object contained an instance of the class, which is the
Java method of having a singleton.
Merge pull request #6 from schmmd/tokenizer

Made PTBTokenizer and object since it has no state.
removed a deprecation warning
fixed SparseVector.Builder.result() when activeSize==0
added an EnumerationIndex that provides efficient indexing for enumerations (no hashing)
add "sizeHint" to sparse vector builder
Encoder supports leaving out out-of-index items,
rather than throwing exceptions.
ConjugateGradient for solving least squares
TruncatedNewtonMinimizer