Fix other timeouts (atxferloopdelay and atxfernoanswertimeout) to use seconds instead of milliseconds.

Thanks to Richard Mudgett for pointing this out.
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Merged revisions 399247 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: http://svn.asterisk.org/svn/asterisk/trunk@399248 f38db490-d61c-443f-a65b-d21fe96a405b
Fix doxygen to use correct units of features.conf options.
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Merged revisions 399257 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: http://svn.asterisk.org/svn/asterisk/trunk@399258 f38db490-d61c-443f-a65b-d21fe96a405b