[Telepathy] ANNOUNCE: telepathy-qt 0.9.8

[Alexander Akulich]

The "Still moving" release.

tarball: https://telepathy.freedesktop.org/releases/telepathy-qt/telepathy-qt-0.9.8.tar.gz
signature: https://telepathy.freedesktop.org/releases/telepathy-qt/telepathy-qt-0.9.8.tar.gz.asc
git: http://cgit.freedesktop.org/telepathy/telepathy-qt

Dependencies:
 * CMake 3.5
 * Qt 5.6
 * C++11 compatible compiler
 * Python 3 (only for build)

Enhancements:
 * The project ported to Python 3
 * Improved the documentation generation
 * Reworked exported CMake targets
 * GNUInstallDirs used to simplify packaging

API changes:
 * Added constructor from initializer_list to generated Telepathy types
 * Added a getter for 'silent' Message flag

Service-side API changes:
 * Adjusted BaseChannelTextType API
 * Added BaseConnectionContactGroupsInterface
 * Fixed BaseDebug API
 * Added BaseConnection::getExistingChannel()

Fixes:
 * Fixed work with threaded QtDBus
 * Omit parts with non-empty 'interface' key value for Message::text()
 * A lot of fixes in tests
 * fd.o #40008: Fix dependencies lookup (we used to prefer system-wide libs)