[gjs] (45 commits) ...Merge branch 'cairo'

[Johan Dahlin <johan src gnome org>]

Summary of changes:

  01007bc... [cairo] Add a module skeleton and build system
  6894309... [cairo] Add context prototype
  5188ac4... [cairo] Add an abstract Surface prototype
  153700e... [cairo] Add an ImageSurface prototype
  0230248... [cairo] Add a PostScript surface
  c73c5a1... [cairo] Add PDFSurface prototype
  f50a717... [cairo] Add a SVGSurface prototype
  af97432... [cairo] Add cairo enums
  9ee65fe... [cairo] Add Context constructor
  9a089ca... [cairo] Add Context methods
  0009a48... [cairo] Add an abstract Pattern prototype
  0dbdeed... [cairo] Add an abstract Gradient prototype
  c974bfb... [cairo] Add a LinearGradient prototype
  7fd214e... [cairo] Add a RadialGradient prototype
  7cf4206... [cairo] Add a SurfacePattern prototype
  ed891f0... [cairo] Add surface/pattern method to Context
  acc8692... [cairo] Add documentation
  ddac95c... [cairo] Update indentation of private header
  d013fb6... [build] Fix up makefile indentation
  5fd5456... [cairo] ImageSurface is not optional
  e647c5b... [cairo] Plug a few string leaks
  ebc198b... [cairo] Rename cr to context in public API
  a68638a... [cairo] Make macros more readable
  360f7bd... [cairo] update todo
  0a58091... [cairo] Check status after all cairo calls
  06ea08c... [cairo] Fix leaks in showText/selectFontFace
  f0ac706... [cairo] Take reference when attaching cairo structs
  189f77a... [cairo] Improve reference counting
  7367b3e... [cairo] Make internal structures private
  629b225... [cairo] Wrap a few new methods for context
  3ab0a26... [cairo] disable getDash, which is incorrectly bound
  7086b51... [cairo] Return the correct surface type
  b07cccc... [cairo] Return the correct pattern type
  407514f... [cairo] Add a SolidPattern
  be1dd83... [cairo] Update doc
  c445201... [cairo] Improve error messages
  57c8c1f... [cairo] Check status for surface methods
  11d0926... [cairo] Fix two typos
  d7a2a7b... [cairo] Rename set/getAntiAlias->set/getAntialias
  fb75152... [cairo] Add tests
  d4789d2... Merge remote branch 'origin' into cairo
  a345869... gi: make sure to release correct arguments
  8957e55... gi: assert gjs_callback_from_arguments doesn't access argv 
  f69e5c6... gi: do not collect user_data argument(s) for callbacks when
  787d354... Merge branch 'cairo'