[stable/nginx-ingress] Add externalTrafficPolicy and healthCheckNodePort to README. (#2609)
[stable/nginx-ingress] Add externalTrafficPolicy and healthCheckNodePort to README. (#2609)

* Add externalTrafficPolicy and healthCheckNodePort to README.

* Bump chart version

viglesiasce/charts,rimusz/helm-charts,viglesiasce/charts,samisms/charts,oleh-ozimok/charts,sd2k/charts,smelchior/charts,helm/charts,viglesiasce/charts,caiwenhao/charts,grugnog/charts,sd2k/charts,samisms/charts,grugnog/charts,samisms/charts,GaneshSPatil/charts,helm/charts,caiwenhao/charts,jainishshah17/charts,kachkaev/charts,smelchior/charts,GaneshSPatil/charts,oleh-ozimok/charts,grugnog/charts,helm/charts,smelchior/charts,lachie83/charts,helm/charts,jainishshah17/charts,ledor473/charts,rimusz/helm-charts,lachie83/charts,sd2k/charts,lachie83/charts,lachie83/charts,rimusz/helm-charts,GaneshSPatil/charts,rimusz/helm-charts,ledor473/charts,caiwenhao/charts,sd2k/charts,oleh-ozimok/charts,kachkaev/charts,jainishshah17/charts,smileisak/charts,ledor473/charts,smileisak/charts,kachkaev/charts,GaneshSPatil/charts,smileisak/charts