Merge branch 'stable-6.2' into stable-6.3

* stable-6.2:
  Add missing since tag for SshBasicTestBase
  Add missing since tag for SshTestHarness#publicKey2
  Silence API errors
  Prevent infinite loop rescanning the pack list on PackMismatchException
  Remove blank in maven.config

Change-Id: I8006068f16ae442a2246e043a680053f2af34e9f

diff --cc org.eclipse.jgit/.settings/.api_filters
Simple merge

diff --cc org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ObjectDirectory.java
Simple merge