LOG of the CHANGES in the package tensorBSS

Version 0.3.1:
* Added an option to use a normed TFOBI matrix to tFOBI()
* Added a function tMD() for computing the MD-index of a Kronecker product of unmixing/mixing matrices
* Updated the example of TNSS.SD()
* Updated references

Version 0.3:
* Added the functions tNSS.SD(), tNSS.JD() and tNSS.TD.JD()
* Added the parameter k to the function tJADERotate() to be ready for the inclusion of tkJADE in a later update

Version 0.2:
* Added the function tPCA()

Version 0.1:
* First version submitted to CRAN

