Reintroduces nofunctions option mentioned in the manual that got somehow lost
Fix agtrend.mod
Merge pull request #467 from JohannesPfeifer/nonfunctions

Reintroduces nofunctions option mentioned in the manual 'do not print reduced form solution).
Cosmetic. Renamed hh (figure handle not to be confused hessian matrix) as fh.
Changes related to the treatment of the (optionally) provided mode file.

(1) Added more checks on the content of the provided mode file compared the the list of declared parameters (the condition on the number of parameters is not strong enough).

(2) Added a mechanism to adapt the content of the mode file if possible. For instance, if the estimated parameters are a subset of the parameters in the mode file, we only need to discard some of the parameters in the mode file.

(3) Added output argument in dynare_estimation_init, which returns the hessian matrix (hh) with the estimated mode.
Merge branch 'johannes@github-agtrend'
Added the possibility to instantiate the dynSeries class from an excel (xls or xlsx) file.

Closes #348

(cherry picked from commit b7b4a9afdc4c882ee089d5d260c65b6d651c17fe)
Added unitary tests (instantiation of the dynSeries class form an excel file).

(cherry picked from commit 84075cab8196fadfab4c2be556a370be3b0bed52)
bug fix: include nofunctions in global_initialization.m
Fixed typo.

Solves failing tests for dynSeries' constructor reported here:

http://www.dynare.org/stepan/dynare/tests/report-de590fb2f7dbe41b25097e12b09037a595f1b6d0.log
Fix bug introduced in 952139b

The 'hh' variable is now always defined, so we now test if it is empty.
new nostrict command-line option does not exit when there are more endogenous than equations (closes #2)