Correct displayed information if not total dataset is used.
Fix plots for Recursive Forecasting and save them to graphs subfolder.
Make sure that recursive forecasting happens in increasing order of observations (required for plotting)
Document recursive forecasts

Closes #303
Merge pull request #422 from JohannesPfeifer/RecursiveForecasts

Documentation, bugfixing, and cosmetic changes of recursive forecasts
Added documentation for the (stochastic) extended path simulation approach.
"slowc" option is now available to solve a simple equation in bytecode
Merge pull request #424 from FerhatMihoubi/master

1 commit
doc: dynDate, dynDates, dynSeries (first draft)
doc: update reporting
doc: fix bug in reporting
reporting: fix echo command in system searches for pdflatex
reporting: search for pdflatex.exe on windows
reporting: in windows, replace native filesep with forward slash for inclusion in tex file
Added an option for the threshold level of the 0/0 generalized eigenvalue test.

The option is passed in the fourth input argument of mjdgges. If the
mex is called with less than four arguments, then the threshold level
takes its previous (hardcoded) default value: 1e-6.
Added default value for the threshold level of the 0/0 generalized eigenvalue test (1e-6).
Fixed bug related to the test on the number of input arguments.
Added input argument four (options_.qz_zero_threshold) when calling mjdgges.
Added fake argument to matlab's implementation of mjdgges.

Need to implement the test on 0/0 generalized eigenvalues later...
Adapted print_info routine.