Merge pull request #58 from Saurabh7/master

diabetes dataset added
Added old data to develop for fixing build temporarily
Merge pull request #59 from lambday/master

Added old data to develop for fixing build temporarily
Updated multiclass LibSVM modular data
Merge pull request #60 from lambday/master

Updated multiclass LibSVM modular data
added data files for LDA.cpp integration
Merge pull request #61 from kislayabhi/master

added data files for LDA.cpp integration
add ionosphere dataset