Draw events to timeline based on start time and row number
Fix #51

Stretched timeline background, grid, and cursor all the way to the bottom of the timeline SVG
Resolved conflicts with timeline spacing PR
Modified snap point calculation
Cleanup
Removed console log
Merge pull request #49 from StanfordHCI/jf-fixTimelineRowSpacing

Draw events to timeline based on start time and row number
Merge branch 'master' into at-collabSizeFix
Updated so it draws correctly except for with vertical dragging