Get it workiing with Double.
Merge with master.
Fix local font size.
Generalise for any "SVGFloat".
UndecidableInstances fix for ghc < 7.7.
remove trailing whitespace, commented-out code
remove spurious `vector-space` dependency
Merge pull request #61 from diagrams/linear

Migrate from `vector-space` package to `linear`

Make types more polymorphic.