Created vertical gutters for events
V1 of circuits done
Added dragging updates
Added arm extension into the event
Added a color feature to interactions for handoffs to use, color now remains the same if it is a handoff made after this change, otherwise is random
Updated popover to have a cancel button, no color palette stuff yet
Merge pull request #68 from StanfordHCI/at-handoffRedesign

At handoff redesign
Merge branch 'master' into jay-dependency-chain