Port "Stopping conditon of dual CD method for L1- and L2-loss SVM is changed"
Port "Stopping conditon of dual CD method for L1- and L2-loss SVM is changed"

Ported from https://github.com/cjlin1/liblinear/commit/475dfdbae1fa61d6507e9e5c9d5e132b52e00de5

bwaldvogel/liblinear-java,bwaldvogel/liblinear-java