1. fix the bug in cls

1. The important update is fixing a bug!!! :)
I fixed a bug when updating the alpha:
c(1,y)*Ki%*%phi/nobs is incorrect;
Ki%*%(y*phi)/obs is correct.

2. I change the name of hsvmpath to holderexppath. where hsvmpath is an
experiment code using R to compute the solution path.
3. I change the variable name delta to qval.
4. I label the do loop in Fortran code.