Fixed 'Register as a student' link problem for GHOP program.
Params and new_params in student view are also sub-merged now, so the apply pattern may be used by GHOP student view.
/** @constructor */
function Circle(){}
/**
@constructor
@memberOf Circle#
*/
Circle.prototype.Tangent = function(){};
// renaming Circle#Tangent to Circle#Circle#Tangent
/**
@memberOf Circle#Tangent#
*/
Circle.prototype.Tangent.prototype.getDiameter = function(){};