don't implement WorkspaceRecorder for these preset filters, it's broken for now, and may not make sense when atlas 0.10.0 comes out.
Add MavenRuntimeFilter, which is basically a clone of SOBBuildablesFilter with a better name...then remove selected-GAV checking from ShippingOrientedBuildFilter and SOBBuildablesFilter to allow more through. Also, don't return nulls from resolveRepositoryContents when the web fails to resolve.
adjust to workspace-centric atlas db design
bump galley version
merging wsdb branch to switch over to workspace-centric graph dbs