Update Rickshaw. #1656.
Merge branch 'master' into update-rickshaw
Update labels on hover for realtime dashboard graph
Add swatch to legend
fixing polling interval reset on window resize
Merge pull request #1727 from madebydna/configure_polling_interval

Fixing polling interval reset on window resize
Allow for 5 digits in graphs
Update history graph with new hover legend
Update label tabs casing
Merge pull request #1725 from mperham/update-rickshaw

Update Rickshaw. #1656.
Fix extra set of vars the duplicated realtime graph
Use locale labels for dashboard graphs
Merge branch 'master' into graph-labels-locale

Conflicts:
	web/assets/javascripts/dashboard.js
Merge pull request #1728 from mperham/graph-labels-locale

Use locale labels for dashboard graphs
Fix labels to not move on mouseover
Make smaller so thousands active don't throw it off
Merge pull request #1729 from mperham/tight-labels-are-right

Fix labels to not move on mouseover
live poll button synced with dashboard's poll interval setting
Merge pull request #1730 from madebydna/configure_polling_interval

Live poll button sync'd with dashboard's poll interval setting
latest changes