Release 2.34 (NicTool#161)

* 2.34 release updates
* POD version updates
* expand AAAA addr for duplicate detection, fixes NicTool#160
* SQL updates for 2.34
* update UPGRADE file

fix for named FH

update Changes for 2.32

version bump to 2.31

revert lengthened PBKDF2 key

as that may create problems for anyone with existing PBKDF2 keys

update server/Changes for 2.29 release

updated changes and 2.28 version bump

fix post-export "restart" target for BIND export

nt-script: only clear input fields when RR type

changes.

release 2.18