Merge pull request #2 from tvbeat/time-point-selection

Time point selection
updateTooltipPosition is identity function if series.updateTooltipPosition is not defined
compiled js
bugfix bar chart on exit() when value is NaN
when labels in x axis are too long, rotate them \45 degrees, not 90
fn empty block -> identity fn
compiled
Merge branch 'master' into time-point-selection

Conflicts:
	dist/dimple.v2.0.3.js
	dist/dimple.v2.0.3.min.js
	src/objects/plot/line.js