page tweaks and high latency bulkwalk optimisations (disable as default for now)


git-svn-id: http://observium.org/svn/observer/trunk@4120 61d68cd4-352d-0410-923a-c4978735b2b8
cleaner snmp contexts


git-svn-id: http://observium.org/svn/observer/trunk@4121 61d68cd4-352d-0410-923a-c4978735b2b8
FDB table count graph. Fixed error message.


git-svn-id: http://observium.org/svn/observer/trunk@4122 61d68cd4-352d-0410-923a-c4978735b2b8