add override options to allow multiple stacks
Search: remove dashboard from search result after dashboard deletion, Closes #753
Small fix for favicon
Graph: added percent y-axis format, Closes #818
Handle 'group' graphite method
Update playlist.html
Merge pull request #821 from linkslice/master

Update playlist.html
Merge pull request #820 from jozog/master

Handle 'group' graphite method
Merge pull request #808 from lento/multiple-stacks

add override options to allow multiple stacks
Merge remote-tracking branch 'upstream/master'