load new "husbands" files
finish merge of matlab changes in backward
fix FIXME and TODO in the file, separate max_ability from max_quality, sample from correct disctributions
fix index issues found by c checkers
matlab compatibility issues
add emax dumping and fixe school_group > 1 bug
add ctag build
remove the function pointer and use estimation_f directly
(1) add initialization to all variables
(2) set the average directly into emax without temporary variable
(3) add dump emax function
(4) loop K from 0 to t instead of 1 to t+1
adjust to calls without objectibve function pointer
(1) dump emax in octave format
(2) init AGE to be same as octave