[cheese] (13 commits) Non-fast-forward update to branch wip/kill-gnome-common

[David King <davidk src gnome org>]

The branch 'wip/kill-gnome-common' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  f25f89f... Drop use of gnome-autogen.sh
  ef07358... Use AX_REQUIRE_DEFINED to check for M4 macros
  8f8d300... Remove use of GNOME_MAINTAINER_MODE_DEFINES
  535da81... Use AX_COMPILER_FLAGS

Commits added to the branch:

  8b966df... Drop use of gnome-autogen.sh
  295f40e... Remove use of GNOME_MAINTAINER_MODE_DEFINES
  450a762... Remove use of GSEAL_ENABLE
  a30838a... Update gtkdoc_jh_path_xml_catalog.m4 from gtk-doc
  e07c271... Fix signed comparison warning in camera service
  2384863... Remove old-style function definition
  b092dcd... Fix shadowed variable
  e7bf647... Fix signedness comparison error
  a5f3ffe... Fix const cast warnings
  915a9ca... Avoid a preprocessor warning
  943fb01... Avoid warnings from -Wswitch-enum
  6a4b321... Avoid deprecation warnings
  2fbaacf... Use AX_COMPILER_FLAGS