Changes in Rtnmin

TODOS
   o    Simplification and streamlining of code to mesh
	better with other R optimization tools.

   o    Put maxit, maxfun in control list somehow.

   o    Setup trace as integer to work properly

2016-06-28

   o    Removed development files from inst, and inst directory

2013-09-12

   o    Modlnp fix from SGN implemented so jones function works.

2013-09-03

   o    Some fixes, particularly to dot-arguments missing
	from calls to user function.

   o    Changed returned user fgfun to f with g as attribute.

2013-06-03

   o    Properly packaged version of Rtnmin. 

2013-11-11 
   
   o    First version of Rtn.