apidocs: fix handling of anchor URLs

Fix the regex in `apidocs/describe-builtin-models.js` used to detect
`Class#method` links so that it skips URLs with anchors, e.g.
`http://foo/bar#anchor`.
services: improve LoopBackResourceProvider apidocs
Merge pull request #95 from strongloop/fix/apidocs-resourceprovider

Fix API docs for LoopBackResourceProvider