Git update. Version bump and --file flag.

[Champ Clark III]

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- - Bumped the git tree from verison 0.2.1 to 0.2.2-git.

- - Added the --file flag to Sagan (command line). This allows Sagan to
read events from a file rather than a FIFO. The file format must be
in the normal Sagan | delimited format, just like the FIFO! Here's
the example usage:

Imagine your syslog daemon sends logs to the Sagan FIFO _and_ stores
logs to the local drive in the Sagan format. Let's assume that you
come up with a new rule and would like to proactively check older
logs. You can run Sagan with the --file to read in the older log
entries and process with the new rule set.

This idea is credited to Brett Morris.

- --
- - Champ Clark III (ccl...@quadrantsec.com)
Quadrant Information Security (http://quadrantsec.com)
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