renamed ramsey_policy_discount_factor by optimal_policy_discount_factor because it is also used by discretionary_policy

Preprocessor: in steady_state_model block, allow MATLAB functions which return several arguments (closes #37)

Preprocessor: add "noreturn" attribute to ParsingDriver::error, to remove some warnings about unitialized variables

Arbirtrary expressions after the "values" keywords must now be enclosed
within parentheses; consider the following example:
<code>
periods 1:2;
values -1 -2;
</code>

In the previous syntax, this was interpreted by the preprocessor as a shock of
value -1-2 = -3 for periods 1 and 2, which is clearly not the intent of the
user; with the new syntax, this will be rejected (too many values compared to
the number of ranges).

Also note that now commas are no longer required between arbitrary expressions,
since the parentheses are sufficient for separating them.

Preprocessor: fix line numbering problems due to native MATLAB statements (bug introduced in a0cd4b33 and 65823417)

* give the possibility of calibrating measurement errors in the "shocks" blocks (only for observed endogenous variables)
* M_.H is now initialized in the preprocessor
* only one "varobs" statement is now accepted in a MOD file

Add new model option no_static : avoid to compute the static model. Useful for models without steady-state.

git-svn-id: https://www.dynare.org/svn/dynare/trunk@3319 ac1d8469-bf42-47a9-8791-bf33cf982152

Beautified preprocessor code (uncrustify + emacs + manual adjustments, in particular with templates in MacroValue)

git-svn-id: https://www.dynare.org/svn/dynare/trunk@3249 ac1d8469-bf42-47a9-8791-bf33cf982152

changed preprocessor internals to support vector<int> type. changed svar_identification to store symbols by symbol ids. Added missing Doxygen comments.

git-svn-id: https://www.dynare.org/svn/dynare/trunk@3240 ac1d8469-bf42-47a9-8791-bf33cf982152

git-svn-id: https://www.dynare.org/svn/dynare/trunk@3221 ac1d8469-bf42-47a9-8791-bf33cf982152

git-svn-id: https://www.dynare.org/svn/dynare/trunk@3214 ac1d8469-bf42-47a9-8791-bf33cf982152

git-svn-id: https://www.dynare.org/svn/dynare/trunk@3212 ac1d8469-bf42-47a9-8791-bf33cf982152

git-svn-id: https://www.dynare.org/svn/dynare/trunk@3194 ac1d8469-bf42-47a9-8791-bf33cf982152

git-svn-id: https://www.dynare.org/svn/dynare/trunk@3137 ac1d8469-bf42-47a9-8791-bf33cf982152

git-svn-id: https://www.dynare.org/svn/dynare/trunk@3101 ac1d8469-bf42-47a9-8791-bf33cf982152

* Preprocessor: implemented interface to conditional forecast, with three new statements: "conditional_forecast", "conditional_forecast_paths" and "plot_conditional_forecast"
* Reference manual: created a section on forecasting (with "forecast" option), and added the three new statements to that section


git-svn-id: https://www.dynare.org/svn/dynare/trunk@3049 ac1d8469-bf42-47a9-8791-bf33cf982152

git-svn-id: https://www.dynare.org/svn/dynare/trunk@2954 ac1d8469-bf42-47a9-8791-bf33cf982152