Fixed checking sysName when adding device.


git-svn-id: http://observium.org/svn/observer/trunk@4287 61d68cd4-352d-0410-923a-c4978735b2b8
Small style changes.


git-svn-id: http://observium.org/svn/observer/trunk@4288 61d68cd4-352d-0410-923a-c4978735b2b8