Updated version number to 3.3.1-SNAPSHOT. Fixed moment.js urls in some examples. Fixed position issue with close button of the Network manipulation menu
cleaned up the setSize function
cleaned up docs for network, added fontfill for nodes
updated history
type in docs
Update network/node image code to allow for specifying a broken image url to use when a node image fails to load
Updated network.html documentation to include brokenImage property
Merge pull request #278 from sfairgrieve/develop

[Network] Added support for a broken image fallback when node image fails to load
updated gitignore
Updated history
Fixed #279: `className` of groups not being updated when changed
Merge branch 'master' into develop
Updated dist folder
Fixed #284: Fixed the `id` field of a new item not correctly generated.
Fixed #286: newly added item ignored when returning an other object instance.
Fixed #148: option `autoResize` not working on IE in case of changing visibility of the Timeline container element
Merge branch 'master' into develop
Updated history
Smarter check whether data changed when redrawing items. (See also #290)
Docs updated. A litte refactoring