Fixes missing methods with `@inheritdoc`
Fixes missing methods with `@inheritdoc`

- This sets ignore to false if a method tagged with
inheritdoc has a matching ancestor. It also stops iterating
when a match is found.
- Outdated TODO is removed, too.

tschaub/ol3,tschaub/ol3,adube/ol3,geekdenz/ol3,ahocevar/ol3,openlayers/openlayers,ahocevar/openlayers,bjornharrtell/ol3,stweil/ol3,ahocevar/ol3,ahocevar/ol3,geekdenz/ol3,geekdenz/openlayers,oterral/ol3,openlayers/openlayers,tschaub/ol3,openlayers/openlayers,geekdenz/openlayers,geekdenz/ol3,stweil/openlayers,ahocevar/openlayers,oterral/ol3,oterral/ol3,geekdenz/ol3,stweil/ol3,ahocevar/ol3,tschaub/ol3,geekdenz/openlayers,adube/ol3,ahocevar/openlayers,bjornharrtell/ol3,bjornharrtell/ol3,stweil/ol3,adube/ol3,stweil/ol3,stweil/openlayers,stweil/openlayers