Last minute commit for a long waited needed feature and some little fix.

Add: Support for proper signal handling.
Add: README info for google mailing lists.

Fixed: Compile issue when debug was enabled (missing , in some
DEBUG_WRAP code.

Fixed: Changed a few places where the snort literal was used instead of
barnyard2 and this could confuse some first time barnyard2 users.

Fixed: RPM spec file to point to good version (when needed)

Bumped: Build to 326

--github specific
Fixes #81
Fixes #73
Fixes #75

Close #82
Close #83
Close #80
Close #79
Close #78
Close #27
--github specific