ENH: implement text vertical alignment
Merge pull request #59 from jakevdp/text-alignment

ENH: implement text vertical alignment
BUG: fix dpi in savefig call; this makes legend() work correctly
BUG: fix path orientation for pixel paths
ENH: implement general plot markers
remove unused utility code
BUG: remove broken import
remove unneeded template argument
BUG: tooltips in firefox

event is not defined in firefox, it seems,
but d3.event is a simple workaround
Merge pull request #62 from jakevdp/plot-markers

Implement plot markers
Merge pull request #64 from aflaxman/ff_tooltips

BUG: tooltips in firefox
Merge branch 'upstream'