Merge pull request #3 from Neoracle/master

sync with jianwei
Merge pull request #4 from Neoracle/master

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swaption
Merge pull request #5 from Neoracle/master

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swaption
Merge pull request #6 from Neoracle/master

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matrix and regression building blocks

matrix and regression building blocks, searching for efficient matrix
inversion algorithms
Merge pull request #45 from michaelhukun/master

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bond
prepare for bond curve
matrix math
bond
Merge pull request #7 from Neoracle/master

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Merge pull request #46 from michaelhukun/master

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matrix and bondrate reading

matrix and bondrate reading
Merge pull request #47 from michaelhukun/master

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bondyields bbg file in

bondyields bbg file in
Merge pull request #48 from michaelhukun/master

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delete files
bond csv