Add tickValues argument to Rickshaw.Graph.Axis.X.
Merge pull request #299 from deviantART/xaxis-tickvalues

Add tickValues argument to Rickshaw.Graph.Axis.X.
support setting custom tick values, like how we do on the X axis
address off-by-one in zero-filling fixed series data
update built libs
Missing parameter from earlier change
Merge pull request #301 from BorisKozo/missing_parameter

Missing parameter from earlier change
Update README.md
fix reference to this in graph's dataDomain
don't calculate bar widths from inactive series; fixes #303
update built libs