[vala] (8 commits) Non-fast-forward update to branch wip/dbusgen

[Rico Tzschichholz <ricotz src gnome org>]

The branch 'wip/dbusgen' 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:

  45fa614... dbusgen: Add some annotations todos
  e937ba7... doc: Add valadbusgen manpage
  592615d... dbusgen: Add mandatory "throws DBusError, IOError" to metho
  8fd02c2... dbusgen: Make sure to name changes are reversible
  1909673... dbusgen: Add DBus signature attribute if type is not suppor

Commits added to the branch:

  8ef2146... dbusgen: Add some annotations todos
  5b3a119... doc: Add valadbusgen manpage
  3ef864b... dbusgen: Add mandatory "throws DBusError, IOError" to metho
  14c587f... dbusgen: Make sure to name changes are reversible
  3c1cd63... dbusgen: Add DBus signature attribute if type is not suppor
  c1475be... dbusgen: Implement org.gtk.GDBus.C.ForceGVariant
  12d6533... dbusgen: Some parser reordering and property type fixing
  54c810e... tests: Add dbusgen test