RFR: 8253053: Javadoc clean up in Authenticator and BasicAuthenicator [v3]

[Patrick Concannon]

> Hi,
> 
> Could someone please review my doc-only fix for JDK-8253053 - 'Javadoc clean up in Authenticator and BasicAuthenicator'
> ?
> This fix is set of formatting changes intended to clean up the javadoc of the following classes :
> 
> `com.sun.net.httpserver.Authenticator`
> `com.sun.net.httpserver.Authenticator.Result`
> `com.sun.net.httpserver.Authenticator.Failure`
> `com.sun.net.httpserver.Authenticator.Success`
> `com.sun.net.httpserver.Authenticator.Retry`
> 
> `com.sun.net.httpserver.BasicAuthenticator`
> 
> This issue is a sub-task of [JDK-8252822](https://bugs.openjdk.java.net/browse/JDK-8252822)
> 
> Kind regards,
> Patrick

Patrick Concannon has updated the pull request with a new target base due to a merge or a rebase. The incremental
webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains three additional
commits since the last revision:

 - 8253053: fixed typo
 - 8253053: fixed typos; added tags
 - 8253053: Javadoc clean up in Authenticator and BasicAuthenicator

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/301/files
  - new: https://git.openjdk.java.net/jdk/pull/301/files/604ea45c..5d900461

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=301&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=301&range=01-02

  Stats: 25269 lines in 520 files changed: 2746 ins; 21422 del; 1101 mod
  Patch: https://git.openjdk.java.net/jdk/pull/301.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/301/head:pull/301

PR: https://git.openjdk.java.net/jdk/pull/301