Removing geometry type modifier that is incompatible with old postgis.
Adding geom constraints.

Signed-off-by: Carl Schroedl <cschroedl@usgs.gov>
Merge pull request #882 from cschroed-usgs/CCHS-15

Cchs 15
CCHS-26
* Need to flush the last line segment to the list
Merge branch 'master' of github.com:USGS-CIDA/coastal-hazards into CCHS-26
CCHS-26
* Broke some stuff dealing with Intersections, will need to fix
* Added interpolation and test