fixed bug by #75
Merge branch 'develop' of https://github.com/almende/vis into develop
rebuild dist
updated history
hierarchical layout is now recalculated on addition and removal of node or edge and edit of edge
Released version 0.7.2
Updated version number to 0.7.3-SNAPSHOT
Allow customization of tooltip delay.
Allow Node and Edge title values to be the result of a function.
Allow customization of tooltip styling.
reverted to setTimeout in safari per #83
Tooltips are only suppressed when a title function returns undefined.
Edges fontFill customization
Merge pull request #88 from vierja/develop

Allow edge label fill color customization
added localization options
Merge branch 'develop' of https://github.com/almende/vis into develop
Merge pull request #90 from kannonboy/dynamic-tooltips

added Dynamic tooltips by Kannonboy
Manual Merge branch 'customize-tooltip-styling' of https://github.com/kannonboy/vis into kannonboy-customize-tooltip-styling

Conflicts:
	docs/graph.html
	src/graph/Graph.js
fixed color bug and fontsize bug from merge
updated history