using this.$ instead of this.$el.find, added comment
updated widget description of LogicalDagWidget
Merge branch 'master' into birds_eye#399
more comments, added event to toggleLegend call
moved renderGraph function up to be more logically ordered
added comments to renderGraph method, moved label creation methods to more logical spot
moved and improved renderLegend method
moved events object
removed TODO (already implemented)
non-interactive minimap completed
LogicalDagWidget now has zoom limits, minimap with no interactivity
upped opacity of minimap to 95%
hacky/basic control from birds eye working
scroll only when alt held down
fixes #475
Merge branch 'master' into birds_eye#399
update minimap on resetPosition
Merge pull request #477 from andyperlitch/birds_eye#399

Improvements to LogicalDagWidget. Fixes #399, #473, #475, #476