[goocanvas] (22 commits) ...Merge branch 'introspection'

[Damon Chaplin <damon src gnome org>]

Summary of changes:

  89a3cf7... Enable silent builds on Automake >= 1.11 (*)
  65d5ff9... Build GObject Introspection files. (*)
  0aea1d2... Add some introspection annotations to goocanvas.c (*)
  c013eab... Add GI annotations to goocanvasitem.c (*)
  4a9f52c... Fix for introspection (*)
  bbae1ee... Introspection: be explicit with introspection prefixes (*)
  4d5ccdd... Introspection: add missing annotations (*)
  c357d09... Introspection: first pass at override and demo (*)
  7a3fa28... Introspection: Add GooCanvas{Rect,Image,Widget} (*)
  df20d9a... Remove some overrides to keep api similar to pygoocanvas (*)
  6cca1c8... Add some more annotations (*)
  875918f... Yet more annotations. (*)
  9ba93d7... Add a demo using GJS. (*)
  e660a71... ...and, for good measure, a Seed demo too. (*)
  b3ab827... Include generated enums header in introspection data (*)
  d894224... Move g-i demos and overrides to ./bindings (*)
  867263b... Fix typo in extension to Seed demo file (*)
  422678e... Add introspection files to .gitignore (*)
  520ee0b... Add another couple of annotations (*)
  100aca9... Autotools foo for pygobject overrides (*)
  b0d3b48... Fix demos (*)
  47df397... Merge branch 'introspection'

(*) This commit already existed in another branch; no separate mail sent