micro fixes

git-svn-id: http://observium.org/svn/observer/trunk@4577 61d68cd4-352d-0410-923a-c4978735b2b8
Support for AVTECH RoomAlert 24E, sponsored by PointPub Media Communications Inc.

git-svn-id: http://observium.org/svn/observer/trunk@4578 61d68cd4-352d-0410-923a-c4978735b2b8