V4.0 - This new version, incorporates multiple bug fixes and some improvements

### Improvemnets
- The job's buffer generation no longer needs the study area
- The job's buffer generation no longer needs the study area
- During the scenario generation the following policies are copied
from the table population_layers hcost_level, vacant_hu_level,
infill_level, prioritize_tod_level, beyond_udp_level, only_vacant_level
-The way to develop new indicators in the tool has been changed
to facilitate the process.

### Fixes
- The infrastructure_consolidation_costs has been removed from the
calculation of unfrastructure costs
- Fixed a bug in the calculation emissions transport,
the error happened when the square have no values
for transit distance or job_density_avge