Yum.lns: simplify code for combinatory logic of list_entry elements

(cherry picked from commit 9c645afbde88a2bdb5f8b139fde44968b019234c)

Build: Add combinatorics group

(cherry picked from commit 3f57641d8df3ed1edf89cd7641c4c6e84c3a3429)

Yum.lns: split excludes as lists (ticket #275)

(cherry picked from commit c16ccfd64045cb5f9c8793bc7589fc80fc027064)
dovecot enchancement and bug fixes

* add mailbox to block_names
* fix for block_args in quotes
* fix for block's brackets upon write
* fixes broken tests for mailbox
* fixes indention
* test case for block_args with "
* fixes broken indention

(cherry picked from commit e6ff9449e5af1759d6b7828ceb118882e955dca4)

Use Quote module in dovecot

* use Quote.dquote_spaces for quoting

(cherry picked from commit 735caf587959019d214a51a7c0cce57da9bb88f6)
Keepalived: add more virtual/real server settings and checks

Fixes RHBZ#1064388

(cherry picked from commit 1f6ec69ffcd46a5b6937025973a2f2337df2727d)

Conflicts:
	NEWS
Krb5: permit braces in values when not in sub-section

Fixes RHBZ#1066419

(cherry picked from commit d9465ab8e88f91cb5a29eb9f04044876ce45a2d9)

Conflicts:
	NEWS