[FIX] Issue #15
    Fix the SVDpp attributes.
[FIX] Issue #14
    Fix the AverageModel.
[FIX] Issue #18
    Partial fix on PyTensorCoFi.
[FIX] Issue #18
    Totall fix on PyTensorCoFi.
[FIX] Issue #17
    Total fix and on BPR(at least the framework bug, cannot guarantee algorithm correctness before analysis) .
[FIX] Fix c evaluator and tune python evaluator to produce comparable results.
[TEST] Raise the test space for different training groups in evaluator
[FIX] Issue #19
    - Fixed Cython evaluator and tested against Python with 7 sizes of training set
[UPDATE] Update new version
[MAJORFIX] Fix PyTensorCoFi for use with users or items not mapped
New version
[FEATURE] get_recommendation for factor_models
Merge branch 'master' into development

Conflicts:
	src/testfm/examples/models_example.py