remove execute bit
Merge branch 'hmac_support' of ssh://192.168.10.1/home/mbr/git/bare_repos/fwknop into hmac_support
added 'legacy' initialization vector text to man pages
[test suite] minor encryption key variable name update
Fixed Nat mode not resolving hostname to IP's.

Linked mrash/fwknop#43
[test suite] NAT name resolution tests

This commit adds tests for NAT name resolution in support of issue #43.
Merge patch from Franck in support of issue #43
[test suite] restore --diff mode, fixes #52
[test suite] don't remove output/ directory in --list mode, closes #53