Session clearing functionality moved to the sessions object
Changed session accessor methods to more closely match their functionality

Removed the session object from the UI object for now
fixed NSM WPS error
set for runtime 52N
Merge pull request #159 from jread-usgs/master

fixed the NSM object error (??) and set code for WPS run.
Sessions working for shorelines - major refactor incoming
Baseline functionality properly working
Merge remote-tracking branch 'upstream/master'
Most of the functionality that was functioning previous to refactor is working again - transect editing still needs work