[dkim-milter-beta] 2.4.0.Beta2 available

[Murray S. K. <ms...@se...>]

- mark _FFR_PARSE_TIME as incomplete

- add libdkim/t-test76.c (missing from previous package)

- add a lot more language to INSTALL

- fix a shutdown-time bug in dkim-test.c

- use some more appropriate result codes when processing signatures

- fix dkim_getdomain() prototype

- fix dkim_get_policy() processing of MX records