[glibmm] (5 commits) Non-fast-forward update to branch export-more-symbols

[Chun-wei Fan <fanchunwei src gnome org>]

The branch 'export-more-symbols' 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:

  8a446c0... tools/[gerror|enum].m4: Make template<> classes exportable
  cb5c210... glib/src/*.hg: Mark _WRAP_ENUM with decl_prefix GLIBMM_API
  e388f74... gio/src/*.hg: Mark _WRAP_ENUM with decl_prefix GIOMM_API

Commits added to the branch:

  b7d3de1... tools/[gerror|enum].m4: Make template<> classes exportable
  d7cbe31... glib/src/*.hg: Mark _WRAP_ENUM with decl_prefix GLIBMM_API
  0c9a0f8... gio/src/*.hg: Mark _WRAP_ENUM with decl_prefix GIOMM_API
  b271310... glib/src/*.hg: Mark all _WRAP_ENUM() with decl_prefix
  7fe1ec2... gio/src/*.hg: Mark all _WRAP_ENUM() with decl_prefix