Steady state file: in the presence of 'ramsey_policy', no longer check that the declarations are recursive, and use input vector of steady state file as initial values

* added optimal_policy/mult_elimination_test.mod to the testsuite
* moved ramsey.mod to optimal_policy/

2) changes to header/comments

2) changes to header/comments.

2) changes to header/comments.

2) changes to header

2) fix bug with iterations equal to B+1 (in place of B);
3) changes to header/comments

2) changes to header/comments

2) better heading/comments

2) better header /commenting

Improved header/commenting;

Header is improved;

Header improvement.