Merge pull request #238 from isuftin/master

Base line uploading, session mgmt
Merge pull request #239 from isuftin/master

Baseline issues fix, transect adding enhacement
Merge pull request #240 from isuftin/master

CSV export fix
stubbed out process to facilitate tandem devel.
Merge pull request #241 from tkunicki-usgs/master

stubbed out process to facilitate tandem devel.
implemented NearestPointOnLine to add with point edits requiring snap-to-line calculation in CRS of line
Merge pull request #242 from tkunicki-usgs/master

NearestPointOnLine WPS to help with front-end transect edits
Bug: Application now using Tom's handy dandy point location suggestion WPS to snap point to actual UTM location