Use at least 1x1 pixel canvas for groups.
Lower two common warnings to info.
Vietnamese language
Remove redundant log in network.js
Merge pull request #3082 from brendandahl/min-canvas-width

Use at least 1x1 pixel canvas for groups.
Merge pull request #3151 from mduan/issue3149

Remove redundant log in network.js
Merge pull request #3086 from brendandahl/less-warn

Lower two common warnings to info.
Merge pull request #3107 from hksonngan/master

Vietnamese language