Allow EventId to be specified by a property that is neither a string nor an int in EventLogAppender.  LOG4NET-129
Allow EventId to be specified by a property that is neither a string nor an int in EventLogAppender.  LOG4NET-129

git-svn-id: 7230453ef4d2e9c957b80d4737114f575fc9f7f8@1169688 13f79535-47bb-0310-9956-ffa450edef68

twcclegg/log4net,twcclegg/log4net,freedomvoice/log4net,freedomvoice/log4net,freedomvoice/log4net,twcclegg/log4net,twcclegg/log4net,freedomvoice/log4net