Fix dy sign for superscript in fontfallback
Make fallback sub/sup more consistent with pango
Merge pull request #79 from darwindarak/pango_svg_superscript

Fix superscript position in fontfallback.jl
Ambiguity warnings.
Fix overly restrictive types in measure ops.
Fix some raster bugs.
Optimize vector form construction.
Some more optimization.
Optimize application of vector properties in cairo.
Fix PGF backend. Fixes dcjones/Gadfly.jl#406
Remove some Gadfly-specific code in SVGJS.
Fix ambiguity warnings.
fixed typo "ancho0" => "anchor0" on line 330
Merge pull request #84 from joshjob42/patch-1

fixed typo "ancho0" => "anchor0" on line 330
Fix a bug in javascript includes.
Better error messages for invalid compositions. See #80.
Attempt to add back boundingbox
More progress on bounding boxes
Remove debug statements
Generalize zero comparisons in boundingbox. Etc.