Made track-adder toggle a bit more robust.
Merge remote-tracking branch 'upstream/master'
Show activity indicators for tiers which are currently loading data.
Support for shared data sources.
Downsampling fixes.
Merge remote-tracking branch 'upstream/master'
Prefix box-sizing for Mozilla.
Fix positions of quantitative scale bars.
Merge branch '0.9.x'
Better positioning for inline track-adder.
Re-sync checkboxes in track-adder
when tracks are added/removed by other means.
URL canonicalization cleanups.
Watch state changes for DAS tracks as well.
Merge remote-tracking branch 'upstream/master'
Morning dalliance merge