D7 doesn't provide non-url() tokens for entities

If we want to do tokens like [term:parent:path]/[term:name] it's currently not possible as core only provides [term:url] which when used with language prefixes or other conditions, results in output like /en/parent-term/child-term, when run through pathauto would end up double language-prefixed. So, we just need to provide [entity:path] tokens which will be easy to do with our entity/token mappings.