bug#29963: gajim fails to start on foreign distro

[Ricardo Wurmus <ricardo.wurmus@mdc-berlin.de>]

This is what happens when I run “gajim” on Fedora:

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rwurmus ~ : gajim
fatal: Not a git repository (or any of the parent directories): .git

** (gajim:25022): WARNING **: Trying to register gtype 'GMountMountFlags' as enum when in fact it is of type 'GFlags'

** (gajim:25022): WARNING **: Trying to register gtype 'GDriveStartFlags' as enum when in fact it is of type 'GFlags'

** (gajim:25022): WARNING **: Trying to register gtype 'GSocketMsgFlags' as enum when in fact it is of type 'GFlags'
D-Bus python bindings are missing in this computer
D-Bus capabilities of Gajim cannot be used
Traceback (most recent call last):
  File "gajim.py", line 289, in <module>
    import gtkexcepthook
  File "/gnu/store/62g3j1kppq6f1w852384yy0d35m5hn0p-gajim-0.16.9/share/gajim/src/gtkexcepthook.py", line 31, in <module>
    import dialogs
  File "/gnu/store/62g3j1kppq6f1w852384yy0d35m5hn0p-gajim-0.16.9/share/gajim/src/dialogs.py", line 48, in <module>
    import gtkspell
  File "/gnu/store/62g3j1kppq6f1w852384yy0d35m5hn0p-gajim-0.16.9/share/gajim/src/gtkspell.py", line 43, in <module>
    libgtkspell = ctypes.cdll.LoadLibrary(libgtkspell_path)
  File "/gnu/store/0n8ni2ldvyz5yd488cidzi3via7jk7pw-python-2.7.13/lib/python2.7/ctypes/__init__.py", line 440, in LoadLibrary
    return self._dlltype(name)
  File "/gnu/store/0n8ni2ldvyz5yd488cidzi3via7jk7pw-python-2.7.13/lib/python2.7/ctypes/__init__.py", line 362, in __init__
    self._handle = _dlopen(self._name, mode)
OSError: libgtkspell.so.0: cannot open shared object file: No such file or directory
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