Upgraded to httpobjects 0.3.0-alpha
Bumped httpobjects dependency to 0.3.0 (final), and converted unnecessary List to Seq (because Sean Shubin made me! and started adding dates to goals on the chart
New feature: goal dates.  Now you can specify a target date for a goal, which is then charted as a dot on the corresponding goal line.  Also, I reorganized the code, mostly in an (unsuccessful) attempt to work-around https://scala-ide-portfolio.assembla.com/spaces/scala-ide/tickets/1000503