[geary] (14 commits) ...Merge branch 'wip/775956-dbus-activation' into 'mainline'

[Michael Gratton <mjog src gnome org>]

Summary of changes:

  9acf5d3... Make Geary DBus-activatable. Bug 775956. (*)
  3ae24d7... Update main window lifecycle management (*)
  34e4b47... Don't keep loading more conversations when started in backg (*)
  548babc... Don't (necessarily) quit on Ctrl+W, just close the window (*)
  7b861a2... Fix controller not being started when started as DBus servi (*)
  d8e4c31... Move command line processing into GearyApplication (*)
  6f2187f... Fully implement --quit (*)
  bad2ace... Fix some incorrect command line arg values, sort alphabetic (*)
  5eb8d14... Modernise autostart desktop file manager class a bit (*)
  2578c6c... Re-implement --hidden as a deprecated command line option (*)
  6605682... Add translation comments denoting command line option strin (*)
  3c1ae51... Minor code cleanup (*)
  40c98d5... Fix handling of mailto command line args (*)
  ef71e4c... Merge branch 'wip/775956-dbus-activation' into 'mainline'

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