Enable erroneously disabled unit tests
- Fixes merge error that disabled some unit tests
- Solves treatment of various options and trends in smoother used in imcforecast.m (#1145)
- Adds unit tests for this
- Reduces run-time for two unit tests by reducing number of iterations
- Fixes area plot of conditional_forecast
- Makes sure metropolis log-file is closed when aborting metropolis_hastings_initialization.m
- Fix inconsistency in treatment bounds in
metropolis_hastings_initialization
(all other functions treat estimate at bound as admissible, leading to cryptic crashes)