Please review: [Bug 573060] DN normalizer: ESC HEX HEX is not normalized

[Noriko Hosoi]

*Bug 573060* https://bugzilla.redhat.com/show_bug.cgi?id=573060 - DN 
normalizer: ESC HEX HEX is not normalized

Bug descrption: If the DN includes ESC HEX HEX formatted non-ascii 
characters, the character was not converted to the corresponding UTF-8 
character correctly.

Proposed Fix:
https://bugzilla.redhat.com/attachment.cgi?id=399795&action=diff
https://bugzilla.redhat.com/attachment.cgi?id=399795&action=edit

Description: there were 2 bugs handling ESC HEX HEXT format.
It was ignoring non-ASCII characters. Now, they are covered.