HBASE-11318 Classes in security subpackages missing @InterfaceAudience annotations (Jonathan Hsieh and Andrew Purtell)
HBASE-11668 Re-add HBASE_LIBRARY_PATH to bin/hbase (Esteban Gutierrez)
HBASE-11662 shell should properly handle long form --debug.

Signed-off-by: Andrew Purtell <apurtell@apache.org>
Update POM and CHANGES.txt for 0.98.5
Merge remote-tracking branch 'remotes/origin/0.98' into 0.98