Update namespace for working-waterfronts-mobile fork

This commit changes all instances of "SeaGrant_Proto" to
"WorkingWaterfronts" in project resources. This change should help
readers differentiate between the prototype project's code base and
this fork.
Merge pull request #2 from osu-cass/feature-4048-clean-namespace-wwm

Update namespace for working-waterfronts-mobile fork