make syslog header clickable too on device overview

git-svn-id: http://observium.org/svn/observer/trunk@3974 61d68cd4-352d-0410-923a-c4978735b2b8
fix some small permissions issues. change a navbar variable format to be human readable.


git-svn-id: http://observium.org/svn/observer/trunk@3975 61d68cd4-352d-0410-923a-c4978735b2b8