[atk] (16 commits) ...Merge branch 'docs-fixes' into 'master'

[Alejandro Piñeiro <apinheiro src gnome org>]

Summary of changes:

  d272faf... docs: Remove atk.types (*)
  daf36c6... Implement propert ctor for AtkPlug (*)
  1237dc0... Implement propert ctor for AtkSocket (*)
  02c8596... Add gtk-doc blurb for AtkActionIface (*)
  fbd9ed7... Add proper gtk-doc blurb to AtkComponentIface (*)
  4c18ad3... Add proper gtk-doc blurbs for AtkDocument methods (*)
  9ce60b2... Write description for AtkImage method (*)
  1baed96... Add missing documentation for AtkObject functions (*)
  f698c59... Use the appropriate syntax for enumerations (*)
  73b3dbd... Use Markdown syntax for notes (*)
  a7efeef... Annotate the version for AtkTableCellIface (*)
  85c7a21... docs: Update the list of symbols (*)
  05a3ccc... Move the Deprecated section down (*)
  a3261f9... Refresh the build (*)
  b7bf5f1... Use Meson to generate the pkgconfig file (*)
  7d51f36... Merge branch 'docs-fixes' into 'master'

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