[california/wip/732029-gtk-312] (15 commits) ...Merge branch 'master' into wip/732029-gtk-312

[Jim Nelson <jnelson src gnome org>]

Summary of changes:

  e8123db... Minor spacing issue (*)
  5b90195... Updated Greek translation (*)
  fcb2b67... Updated Polish translation (*)
  76fb5f6... Next/prev buttons on either side of date in header bar: Bug (*)
  4747faa... Add no-c-format to gettext strftime strings: Bug #733223 (*)
  eb15b36... Use the correct inline toolbar style for action buttons in  (*)
  e48ac45... Allow user adjust start/end date/times either direction: Bu (*)
  4f1d575... Don't adjust event duration in date/time editor while typin (*)
  62fdea3... Move View.Month to Toolkit.ButtonEventConnector (*)
  8957bd0... Updated POTFILES.in (*)
  eb352d2... Show calendar when displaying an event: Bug #726140 (*)
  0ecea3f... Quick Add should allow numeric dates such as 7/2: Bug #7320 (*)
  f594a82... Don't treat unadorned 3 or 4-digit nums as 24-hour time: Bu (*)
  7db5494... Support time ranges with Quick Add: Bug #731485 (*)
  9ded847... Merge branch 'master' into wip/732029-gtk-312

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