Do not use intermediary file for download
Add descriptions to nodes
Menu bar padding and border-bottom
Some code cleanup
Merge branch 'export-import-graph'
Fix weird problem in variable declaration
Partial fix for issue 'Add new content elements on grid is really buggy'
Try to disable JSON cache
Fix for issue 'Add new content elements on grid is really buggy'
Merge remote-tracking branch 'origin/master' into tooltip-description