[gitg] (21 commits) Non-fast-forward update to branch wip/release

[Jesse van den Kieboom <jessevdk src gnome org>]

The branch 'wip/release' 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:

  1e9bc07... Release 0.3.1

Commits added to the branch:

  c7b5954... Update gd
  cf2c2bd... Move libgitg tests to tests/
  17d0767... Separate update-icon-cache to install-data-hook
  cf755f9... Cleanup use of CFLAGS, CPPFLAGS, LDFLAGS and LIBADD
  0dd7a0f... Explicitly specify vapi file to generate
  ceeb16e... Remove explicit .la dependencies
  f95f160... Remove BUILT_SOURCES and CLEANFILES
  d12aaac... Do not join thread in destructor
  153f599... Namespace make variables
  79d7050... Do not get pygobject overrides dir from gi
  ff204e1... Use tabs for indentation
  41dcae5... Only check for python when enabled
  f55e863... Locate resource from $(srcdir)
  2a39aa3... Do not generate unneeded resource headers
  16a65e2... Cleanup generated typelibs
  aeb87c0... Use $(top_srcdir) for typelib generation
  00849db... Add .gir to EXTRA_DIST
  ce30bf4... Remove unused inclusion of valadoc.mk
  d17e155... Fix alignment of trailing slash
  d1a1afc... Remove empty TEST_PROGS
  f294b6b... Release 0.3.1