[FIX] web_diagram, unlink connectors/transitions between nodes from the diagram view (transitions IDs sent to the web client were strings instead of integers)
[FIX] add charset declaration to dashboard.sass so sassc stops freaking out
Merge pull request #1678 from sebalix/8.0-fix-web_diagram

[FIX] 8.0 web_diagram, unlink connectors/transitions between nodes from the diagram view