MAHOUT-1301:  toString() method of SequentialAccessSparseVector has excess comma at the end

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1509439 13f79535-47bb-0310-9956-ffa450edef68
MAHOUT-1301: toString() method of SequentialAccessSparseVector has excess comma at the end

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1509441 13f79535-47bb-0310-9956-ffa450edef68
Mahout-1265: add NeuralNetwork sketch
Mahout-1265: add TestNeuralNetwork
Mahout-1265: add FunctionLib as an inner class of NeuralNetwork
Mahout-1265: add test case for getOutput
Mahout-1265: add test case for training
Mahout-1265: add test cases for MultilayerPerceptron
Mahout-1265: add test case about momentum and regularization for
NeuralNetwork
Mahout-1265: add test case for momemtum and regularization for
MultilayerPerceptron
Mahout-1265: revise on test cases
Mahout-1265: remove useless comments
Update to latest stable Hadoop, 1.2.1

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1510478 13f79535-47bb-0310-9956-ffa450edef68
Mahout-1265: add NeuralNetworkTrainer
MAHOUT-1306: fixing PCA tests; -ow flag causing PCA errors

Squashed commit of the following:

commit cefe0d4863955288f304683ea25cc97047805bdd
Author: Dmitriy Lyubimov <dlyubimov@apache.org>
Date:   Wed Aug 7 22:50:48 2013 -0700

    disabling sparse SSVD PCA test with -q=0 (leaving -q=1) in the interest of smaller test run time.

commit 412f9c5e06bf2a510948475e7d670f91d18d3386
Author: Dmitriy Lyubimov <dlyubimov@apache.org>
Date:   Wed Aug 7 22:36:17 2013 -0700

    cleaning up certain things; pca tests are asserting names and keys propagation

commit 4b002b30ddd4038311c003c77b7ba543eadcda98
Merge: 15b9a05 70777c4
Author: Dmitriy Lyubimov <dlyubimov@apache.org>
Date:   Wed Aug 7 21:27:57 2013 -0700

    Merge branch 'trunk' into PCA_fixes

commit 15b9a056603f703707672e601c1e3c13dbd00b8f
Author: Dmitriy Lyubimov <dlyubimov@apache.org>
Date:   Wed Aug 7 15:27:58 2013 -0700

    reverting test back to q=1

commit 8e91cc6ae5056b159fa6208a26b5a4f0e002bd8c
Author: Dmitriy Lyubimov <dlyubimov@apache.org>
Date:   Wed Aug 7 13:12:36 2013 -0700

    test fixes

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1511590 13f79535-47bb-0310-9956-ffa450edef68
MAHOUT-1313: Fixed unwanted integral division bug in RowSimilarityJob downsampling code where precision should have been retained

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1513632 13f79535-47bb-0310-9956-ffa450edef68
NOJIRA Fixed typo in javadoc

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1513664 13f79535-47bb-0310-9956-ffa450edef68
MAHOUT-1315 Added Apache license header

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1515163 13f79535-47bb-0310-9956-ffa450edef68
MAHOUT-1318 Make ToItemVectorsReducer public

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1517747 13f79535-47bb-0310-9956-ffa450edef68
Reenabled parallel execution of unit tests, since it was found not to be the cause of random test failures on Jenkins build jobs

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1517793 13f79535-47bb-0310-9956-ffa450edef68