Fix variable name

- s/resource/entity/ on line 397; reported by @ralphschindler
Ensure RPC service name is assigned to entity

- Was not being assigned to entity on fetch() previously
- Was not being used in the admin UI listing, either
Fix line 397

- s/entity/halEntity/, as the latter can actually have links...
Merge branch 'master' of git://github.com/zfcampus/zf-apigility-admin into mongo-oauth
Updated to use realpath to support windows