Use new SVG logo
Add method to set dashboard size and work out dimensions
Allow for margins in header size
Update all boards to use new size setting method
Merge pull request #144 from theodi/update-logo

Use new SVG logo
Merge pull request #145 from theodi/fix-sizes

Fix sizes
Refactor
Merge branch 'master' of github.com:theodi/dashboards into feature-progress-dashboards
Fix the fail