Updated parallelogram mixin

Fixed parallelogram mixin not passing $color to rectangle mixin.

Default directions and chevron orientation

All mixins now offer default directions so you can write simpler code, and the chevron can now be oriented just like all the other shapes.

Support for autoprefixer and other tools

mixins-unprefixed.scss now brings support for tools such as autoprefixer.

Initial release

s(CSS) Shapes supports some of the most common shapes including:

• rectangles
• parallelograms
• squares
• circles
• ovals
• triangles (and corner triangles!)
• trapezoids
• chevrons