Update Liferea to Debian version 1.8.15-1

[Oliver Sauder]

Liferea should be updated to the Debian version 1.8.15-1.

See https://merges.ubuntu.com/l/liferea/ and here https://launchpad.net/debian/sid/+source/liferea.

[Oliver Sauder (sao)]

Created debdiff with the following by fixing https://merges.ubuntu.com/l/liferea/:
debdiff liferea_1.8.15-1.dsc liferea_1.8.15-1ubuntu1.dsc > liferea-1.8.15-1ubuntu1.debdiff

[Daniel Holbach (dholbach)]

liferea (1.8.15-1ubuntu1) saucy; urgency=low
 .
   * Merge from Debian unstable. Remaining changes:
   * debian/patches:
     - port-to-libindicate-0.7.patch: dropped as obsolete
     - port-to-messaging-menu.patch: rebased
     - ubuntu-example-feeds.patch: removed feedlist_ru.oplm changes
       added .patch extension
     - add_X-Ubuntu-Gettext-Domain.patch: Added .patch extension
     - libunity.patch
   * debian/control: libunity-dev, libmessaging-menu-dev
   * debian/liferea.indicate: Removed as obsolete
   * debian/rules: enable messaging-menu
 .
 liferea (1.8.15-1) unstable; urgency=low
 .
   [ Dmitry Smirnov ]
   * New upstream release [January 2013]
     * Dropped patches (applied-upstream):
       - fix-browser-selections
       - fix-crash-when-dragging-feeds-outside-google-reader
       - fix-crash-when-online-status-changes
       - fix-crash-when-removing-google-reader-folders
       - fix-crash-in-empty-launch-url
   * Remaining patches are renamed to end with ".patch".
   * Removed "README.source" with instructions how to use `quilt`.
   * debian/control:
     - dropped redundant "autotools-dev" from Build-Depends.
     - dropped "${shlibs:Depends}" from (data|dbg) packages.
     + moved packaging Build-Deps to first line of Build-Depends.
     + Standards to "3.9.4".
   * debian/copyright to copyright-format-1.0 + audit/update.
   * debian/rules re-written in dh style:
     - dropped unsupported build options "--enable-gnutls --enable-lua".
     - dropped redundant invocation of "intltool-update -p".
     - dropped patch "libtool-dont-rearange-as-needed"
       (obsoleted by "dh_autoreconf --as-needed").
     + increased log verbosity with "--disable-silent-rules".
     + enabled parallel build.
     + debhelper to version 9.
   * debian/compat to version 9.
   * Lintianisation:
     + added "set -e" to postinit scripts (maintainer-script-without-set-e).
     + updated Vcs fields (vcs-field-not-canonical).
   * xz compression for source and binary packages.
   * Added myself to Uploaders.
   * debian/watch is corrected to mangle RC versions in case insensitive
     way and to look for .bz2 and .xz archives (thanks, Barak).
 .
   [ David Michael Smith ]
   * New upstream release [June 2013]
     * Fix segfault opening attachment due to incorrect g_free()
        (Closes: #714074)
     * Fix FTBFS in jessie, sid. (Closes: #713322)
   * Refreshed "debian-example-feeds.patch".
   * Added myself to Uploaders.