Add warning if conditional_variance_decomposition is requested with simulated moments
Improve documentation on unconditional variance decomposition
Disentangle computation and display of conditional_variance_decomposition

Previously, noprint suppressed the computation of conditional_variance_decomposition although it should only suppress its display. Also adds a dedicated field for the unconditional variance decomposition.
Simplify MATLAB output of symbol lists.
Bugfix: M_.sigma_e_is_diagonal could be wrong if there were several shocks blocks.
New option "overwrite" to "shocks" and "mshocks".

Tells that a new block overwrite the previous ones instead of being cumulative.
Merge pull request #646 from JohannesPfeifer/var_decomp

Var decomp
Remove extra whitespace introduced in 4a8e737c.
left over change for external API
Correctly set oo_.deterministic_simulation.status in sim1_purely_{backward,forward}.m.
Perfect foresight solver now uses a homotopy technique by default.

This commit introduces a "no_homotopy" option to restore the old behavior.

Ref #220
Fix bug introduced in 0e204673.
preprocessor: don't substitute 'dates' when preceded by an underscore
doc: fix typo
More detailed progress information in perfect foresight homotopy.

Ref #220
There is now an interface for option maxit.
Perfect foresight homotopy: make sure that oo_.endo_simul is not corrupted by failed simulation.

Ref #220
Merge remote branch 'dynare/master'