clamd: added optional results storage
clamd: removed results conditionals
clamd doc fixes: connect_timout -> connect_timeout

only_with_attachment -> only_with_attachments
clamd config parsing improvements and tests

* consolidated config fetching into refresh_config()
* declared config opts randomize_host_order && only_with_attachments boolean
* added compat shim for only_with_attachment if only_with_attachment_s_ not defined
* simplified timeout calculations
clamd: s/1/true/g  (2x)
clamd: changed default timeout from 60 to 30 seconds
clamd: add name of virus to result

and fix a typo s/UNKONWN/UNKNOWN/
Merge pull request #482 from msimerson/clamav

Merged