Linesearch enhanced BMRM
------------------------

Configuration options description:
1.  double  Linesearch.theta
    - The hyper-parameter for use in linesearch enhanced loss
      functions only. See [ref 1] for further details.


References:
1. C. H. Teo, S. V. N. Vishwanathan, A. J. Smola, Q. V. Le
   Bundle Method for Regularized Risk Minimization
   submitted to JMLR, 2009.


