Added analytics to preview modes
Merge branch 'stable'
Temporary fix for SVG scaling to preserve aspect ratio of the bounding box
Appends surface class first so as not to interfere with bespoke theme
chooser
Added sym link to preview_export in preview_export for hrefs
Merge branch 'stable' of github.com:tantaman/Strut into stable
Removed sym link as it confused grunt
Merge branch 'stable' of github.com:tantaman/Strut into stable
Fixed the URLs of shapes so they load in preview and edit modes.
Merge branch 'stable'
Merge branch 'master' into markdown
de-conflicting CSS betweent Strut and the various presentation backends