Kannel release 0.12.2, update to stable version

NEWS about Kannel: Open Source WAP and SMS Gateway version 0.12.2

This is a STABLE version. We will maintain it and make bugfix
releases until the next stable version is released.  It is a
candidate for version 1.0.
Please try it out and report problems to [email protected] (the 
development mailing list) or [email protected] (the bug tracking system).

Changes since version 0.12.1:

New features:

 * WSP: Support for X-WAP.TOD header, needed for WAP 1.1 conformance.

Bugfixes:

 * WSP: Corrected handling of invalid Expires headers to conform to RFC2068.

 * WSP: Corrected encoding of date values that are exactly the start of
   the epoch (Thu, 01 Jan 1970 00:00:00 GMT).

 * WML compiler now allows reserved words as variable names, such
   as $(password).

 * Minor fixes to WML compiler for WAP 1.1 conformance.

See ChangeLog for detailed information.