Issue #2130 : Fix for broken URLs

Fixed broken URLs in README for Programmer Guide, Tutorial and Java API.

Descriptions of the changes in this PR:

Updated the URLs.

### Motivation
Wanted to go through the tutorial when I came to the repo and found the links were broken in the README.
### Changes


Master Issue: #2130


Reviewers: Enrico Olivelli <eolivelli@gmail.com>, Sijie Guo <None>

This closes #2131 from pavankumarchaitanya/master, closes #2130
diff --git a/README.md b/README.md
index aeeac68..b8d55c9 100644
--- a/README.md
+++ b/README.md
@@ -26,9 +26,9 @@
 
 ### Developers
 
-* [Programmer Guide](http://bookkeeper.apache.org/docs/master/bookkeeperProgrammer.html)
-* [Tutorial](http://bookkeeper.apache.org/docs/master/bookkeeperTutorial.html)
-* [Java API](http://bookkeeper.apache.org/docs/master/apidocs/)
+* [Programmer Guide](https://bookkeeper.apache.org/archives/docs/master/bookkeeperProgrammer.html)
+* [Tutorial](https://bookkeeper.apache.org/archives/docs/master/bookkeeperTutorial.html)
+* [Java API](https://bookkeeper.apache.org/archives/docs/master/apidocs/)
 
 You can also read [Turning Ledgers into Logs](http://bookkeeper.apache.org/docs/master/bookkeeperLedgers2Logs.html) to learn how to turn **ledgers** into continuous **log streams**.
 If you are looking for a high level **log stream** API, you can checkout [DistributedLog](http://distributedlog.io).