Added information collection from the output of the utilities: top, free, uptime, ifconfig
Added information collection from the output of the Asterisk command 'dahdi show status'
Added option / flag '-n, --non-interactive'
Updated man page to reflect new option / flag '-n, --non-interactive'

Patch-by: John Bigelow (itzanger)
(closes issue AST-749)
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Merged revisions 349504 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 349505 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@349506 65c4cc65-6c06-0410-ace0-fbb531ad65f3