Add saving of parameter names to make loading of mh_mode-file compatible with mode_file option
Clarify error message for external functions misuse in model block.

Thanks to Johannes Pfeifer.
Better error message when block option when a variable does not appear at current period.
make install, closes #576
Add description for conditional_forecasts
Expand manual entry for conditional forecasts
Deal with cases where too few draws are available for posterior moments
Fix bug in imcforecast.m where covariance matrix was decomposed element-wise instead of via Cholesky.
Removed reference to options_.nobs
Cosmetic change. Renamed nobs as vobs.
Fixed bug. The instantiation of a dseries object with a file name (for the datafile) and a string (for the initial period) was not working correctly.
Fixed bug (tex names with underscores were not correctly saved in m datafile).
Fixed typo/bug (removed space).
Cosmetic change (added white space).
Changed default value of initial_period (NaN).
Set options_.nobs if the new data interface is used.
Added two mod files in testsuite (new data interface).
Document computation of theoretical mean at second order

(cherry picked from commit 7084913382dc892fa4385fb7783e5daec41449f7)
Add more info on requirement on dsge_var prior weight needed for prior to be proper.

(cherry picked from commit 74fd0850d61f8ba464ff08ed42c4019d27722fb3)
Fixed issue induced by the merge of 74fd0850d61f8ba464ff08ed42c4019d27722fb3 in master (changed DynareDataset field name).