Graphite: annotations stop working after recent change to millisecond resolution, Fixes #1061
SinglestatPanel: Added integration with drilldown link feature, if a drilldown link is present the entire singlestat panel will act as a link, with hover tooltip containing the link name, #951, #1041
SinglestatPanel: small fix for drilldown link click while fullscreen mode, #1041
SinglestatPanel: another small fix for drilldown link click while fullscreen mode, #1041
Graph: added export graph time series data as csv file feature, accessed from panel menu dropdown, #861