Fixed wrong arguments order in forceSimulator
Custom links length

Force directed layout now allows to specify custom links length
Update CHANGELOG
Update customLinkLength.html
Added migration guide for 0.4 -> 0.5
Update upgrade_guide.md
Merged with the latest version
Update upgrade_guide.md
Added link to upgrade guide
Naive approach to zooming

This will be changed.
Merge branch 'master' of github.com:anvaka/VivaGraphJS
Showing recommended way of pinning.
Removed redundant statement
Added pan support

This currently works for svg only
Merge branch 'master' of github.com:anvaka/VivaGraphJS
0.5.3
Implement center on position when using WebGL rendering
Merge pull request #72 from sgerard/feature-webgl-center

Implement center on position when using WebGL rendering
0.5.4

Thanks to sgerard@ webgl now supports centering on node via API
Updated readme