Add get total needs for impact layer.
Fix merge conflict.
Add total needs to impact layer's keywords.
Better unit tests.
Add point for building in flood_osm_building_impact.py
Fix for #993
Point for building volcano impact function.
Fix conlict test.
Pep8.
[Point building] Fix unit test.
Fix merged conflict.
Fix merged conflict.
Merge pull request #1235 from ismailsunni/point_building

Point building