Re-create production branch for dowsing.js.
Link to local resources in /resources.  Move map marker images from ../images to /resources.
Merge branch 'master' into production
Change polyline strokeColor default to blue.
Separate instructions and sidebar into separate sub-modules, spatialsurvey.instructions and spatialsurvey.sidebar.  Refactor spatialsurvey.instructions.
Refactored tutorial to provide an extensible interface for building tutorials, as well as a standard tutorial.
Merge branch 'master' into production

Conflicts:
	core.js
Merge branch 'production' into shib-auth