Description of problem:

After running `dnf upgrade` and upgrading hamster to version - hamster-time-tracker-2.0-0.2.rc1.fc23.noarch.

Hamster will not run any more.

Version-Release number of selected component (if applicable):

- hamster-time-tracker-2.0-0.2.rc1.fc23.noarch

How reproducible:

- Every time.

Steps to Reproduce:
1. sudo dnf upgrade hamster-time-tracker-2.0-0.2.rc1.fc23.noarch
2. try running hamster


Actual results:

» hamster

/usr/lib/python2.7/site-packages/hamster/lib/stuff.py:25: PyGIWarning: Gtk was imported without specifying a version first. Use gi.require_version('Gtk', '3.0') before import to ensure that the right version gets loaded.
  from gi.repository import Gtk as gtk
/usr/lib/python2.7/site-packages/hamster/lib/configuration.py:33: PyGIWarning: GConf was imported without specifying a version first. Use gi.require_version('GConf', '2.0') before import to ensure that the right version gets loaded.
  from gi.repository import GConf as gconf
Traceback (most recent call last):
  File "/usr/bin/hamster", line 387, in <module>
    hamster_client.overview()
  File "/usr/bin/hamster", line 152, in overview
    self._launch_window("overview")
  File "/usr/bin/hamster", line 143, in _launch_window
    getattr(server, window_name)()
  File "/usr/lib64/python2.7/site-packages/dbus/proxies.py", line 70, in __call__
    return self._proxy_method(*args, **keywords)
  File "/usr/lib64/python2.7/site-packages/dbus/proxies.py", line 145, in __call__
    **keywords)
  File "/usr/lib64/python2.7/site-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.ServiceUnknown: The name :1.96 was not provided by any .service files


Expected results:


Additional info:

- Fedora 23/x64 (upgraded from 22)
- MATE Spin and MATE DE.