[gjs] (18 commits) Created branch cairo

[Johan Dahlin <johan src gnome org>]

The branch 'cairo' was created.

Summary of new commits:

  0863e36... [gi] Add arg overrides
  203cb58... [jsapi-util] Add a few convenience macros
  22fd4c4... [cairo] Add a module skeleton and build system
  fae71bc... [cairo] Add context prototype
  7c65bcb... [cairo] Add an abstract Surface prototype
  55bb6aa... [cairo] Add an ImageSurface prototype
  6f5b34f... [cairo] Add PdfSurface prototype
  36a48aa... [cairo] Add cairo enums
  0200cca... [cairo] Add Context constructor
  aae4d28... [cairo] Add a Context override
  156d0f7... [cairo] Add Context methods
  2a3c513... [cairo] Add an abstract Pattern prototype
  5b6f0a9... [cairo] Add an abstract Gradient prototype
  bcdfc25... [cairo] Add a LinearGradient prototype
  ec0f533... [cairo] Add a RadialGradient prototype
  920ebe0... [cairo] Add surface/pattern method to Context
  cd71789... [cairo] Add examples
  7fde9bc... [cairo] Add documentation