Log Message:
liferea: Update to 1.12.7

Changes:
Version 1.12.7
* #734: Fixes crash when selecting empty nodes
  (Leiaz)
* Fixes #727: Out-dated documentation on Firefox live bookmarks
  (reported by blueray453)
* Fixes headline large images/videos or images with margins
  causing horizontal scrolling in headline view
  (Lars Windolf)

Version 1.12.6
* #658: Add confirmation dialog when adding duplicate subscription
  (dymoksc)
* Fixes #689: When resuming from sleep feeds were being fetched
  before Wifi cam up
  (ghost)
* Fixes #685: Headerbar plugin "Mark All Read" button is not
  feed-specific
  (Robbie Cooper)
* Fixes #549: Scrollbars not always present in the headline area
  (Leiaz)
* Fixes #543: Next update overrides HTML5 enrichment
  (Lars Windolf)
* Fixes overly wide label in enclosure preferences dialog
  (Lars Windolf)
* Dropped unencrypted warning from auth dialog (not true anymore)
  (Lars Windolf)
* #692: Update of Czech translation
  (RadimNo)
* #688: Adding translatable tooltips for the headerbar plugin
  (Robbie Cooper)