build: Use GSL/CBlas instead of BLAS/F77

First attempt, not tested on Mac OS X.
GSL/CBlas - update Travis-CL configuration
build: add GSL test program
adding logistic regression functions
removing libsvm code and replacing with logistic regression implementation using gsl
don't need to load non-haploid reads for training. Making noisemodel use new logistic regression
adding logistic regression test suite functions, removing gsl_test
adding new model files. Will probably remake these using more data. Keeping old model files for now.
editing help message of allelotype to reflect new model files
Merge pull request #39 from mgymrek/logistic-regression

Logistic regression