merge last 2 day's changes to trunk (trunk will be for devel for now on, stable is /branches/stable/)


git-svn-id: http://www.observium.org/svn/observer/trunk@4564 61d68cd4-352d-0410-923a-c4978735b2b8
WiP replacement graph browser navbar


git-svn-id: http://www.observium.org/svn/observer/trunk@4566 61d68cd4-352d-0410-923a-c4978735b2b8
[rrd_rra] => [rrd][rra]


git-svn-id: http://www.observium.org/svn/observer/trunk@4567 61d68cd4-352d-0410-923a-c4978735b2b8
tweaks


git-svn-id: http://www.observium.org/svn/observer/trunk@4568 61d68cd4-352d-0410-923a-c4978735b2b8