Add link to latest Javadoc from /documentation

There is already a link to the online Javadocs at /download, but people
might look for it first under documentation.

Change-Id: Ice8cbe989c4232a36f61b0285e4e5b0395a4e311
diff --git a/documentation/_index.html b/documentation/_index.html
index 9aaffb2..321d3b4 100644
--- a/documentation/_index.html
+++ b/documentation/_index.html
@@ -4,6 +4,9 @@
 		rel="nofollow">EGit/JGit Forums</a></b> - ask questions here if you need help!</li>
 	<li><b><a href="http://wiki.eclipse.org/JGit/User_Guide"
 		title="JGit User Guide">JGit User Guide</a></b> - JGit user guide</li>
+	<li><a
+		href="http://download.eclipse.org/jgit/docs/latest/apidocs/"
+		title="API Documentation">API Documentation</a>- Javadoc for org.eclipse.jgit</li>
 	<li><b><a
     href="https://bugs.eclipse.org/bugs/buglist.cgi?query_format=advanced&amp;short_desc_type=allwordssubstr&amp;short_desc=&amp;classification=Technology&amp;product=JGit&amp;long_desc_type=allwordssubstr&amp;long_desc=&amp;bug_file_loc_type=allwordssubstr&amp;bug_file_loc=&amp;status_whiteboard_type=allwordssubstr&amp;status_whiteboard=&amp;keywords_type=allwords&amp;keywords=&amp;bug_status=NEW&amp;bug_status=ASSIGNED&amp;bug_status=REOPENED&amp;emailtype1=exact&amp;email1=&amp;emailtype2=substring&amp;email2=&amp;bugidtype=include&amp;bug_id=&amp;votes=&amp;chfieldfrom=&amp;chfieldto=Now&amp;chfieldvalue=&amp;cmdtype=doit&amp;order=Reuse+same+sort+as+last+time&amp;field0-0-0=noop&amp;type0-0-0=noop&amp;value0-0-0="
 		rel="nofollow">JGit Bugzilla</a></b> - review and create Bugzilla entries</li>