Use dagre v0.3.0
Use dagre v0.3.0

There appears to be some problem with ordering in dagre v0.3.1/v0.3.2
that needs investigation. For now use v0.3.0.

git-ashish/dagre-d3,dominiek/dagre-d3,dagrejs/dagre-d3,harsha-mudi/dagre-d3,9n/dagre-d3,cbfx/dagre-d3,cbfx/dagre-d3,harsha-mudi/dagre-d3,rwl/dagre_charted,cbfx/dagre-d3,cpettitt/dagre-d3,rwl/dagre_charted,git-ashish/dagre-d3,dagrejs/dagre-d3,rwl/dagre_charted,ENCODE-DCC/dagre-d3,dominiek/dagre-d3,ENCODE-DCC/dagre-d3,9n/dagre-d3,dominiek/dagre-d3,cpettitt/dagre-d3,9n/dagre-d3,git-ashish/dagre-d3,cpettitt/dagre-d3