Add translator comments where applicable

Totally, we should review all our translatables and add translation comments where applicable.

Thanks for looking into this so fast!

GunChleoc can you have a look at https://code.launchpad.net/~aacid/unity8/add_some_ctr/+merge/252863 and see if the context added there would help with the translation?

This bug was fixed in the package unity8 - 8.02+15.04.20150318-0ubuntu1

---------------
unity8 (8.02+15.04.20150318-0ubuntu1) vivid; urgency=medium

  [ Albert Astals Cid ]
  * Add some context to tr calls (LP: #1431497)
  * Require binaries and .pc files we call from code
  * Test: More stubborn flick to the end

  [ Andrea Cimitan ]
  * Refactor PreviewOverlay to fix weird zoom out/in animations when
    previewing images from the Previews

  [ CI Train Bot ]
  * Resync trunk.

  [ Charles Kerr ]
  * Re-enable a rotation lock test now that the bug that broke that test
    has been fixed. (LP: #1410915)

  [ Daniel d'Andrada ]
  * Darkened area behind indicators menu should eat input until it fully
    disappears (LP: #1417967)
  * DesktopStage - fix focus switch when user taps on window (LP:
    #1431325)
  * Fix warnings when launching tutorial
  * Make MouseTouchAdaptor controllable from within QML
  * Make tst_Shell absorb tst_TabletShell

  [ Leo Arias ]
  * Changed the autopilot dependencies so they do not require qt4. (LP:
    #1429158)
  * Drop the support for python2 in autopilot tests. (LP: #1429163)
  * Stop using the deprecated toolkit emulators namespace in autopilot
    tests. (LP: #1341681)

  [ Michael Terry ]
  * Don't close wizard & edge tutorial when the unity8-dash closes (LP:
    #1425484)
  * Don't let the wizard sit indefinitely, waiting for a wizard page to
    finish preparing itself. (LP: #1425737)
  * Fix two broken qmluitest files by waiting for everything to settle
    before starting the tests.
  * Only call unlockAllModems once the wizard is done. (LP: #1425161)
    (LP: #1425161)
  * When we are locking the user out from too many login failures,
    notice when time passes even if the device is suspended. (LP:
    #1396817) (LP: #1396817)

  [ Michael Zanetti ]
  * Add a mouse area to the indicators panel so we can open them by
    clicking. (LP: #1417650)
  * fix launcher not reacting to first click when revealed by mouse
    hover, add tests
  * performance improvements (LP: #1430233, #1425087)

  [ Michał Sawicz ]
  * Remove the activity indicator from tests
  * Use targets instead of custom ld arguments for linking

  [ Mirco Müller ]
  * Updated the visuals of the SwipeToAct-widget for incoming-call snap-
    decision notifications according to new design-spec.
  * Updated the visuals of the SwipeToAct-widget for incoming-call snap-
    decision notifications according to new design-spec.
 -- CI Train Bot <email address hidden> Wed, 18 Mar 2015 10:19:06 +0000